Anime Like Bacterial Contamination

A deadly menace lurks in Tokyo: man-eating "ghouls" that look exactly like humans and hide among them. Reserved college student Ken Kaneki keeps his head in books and pays no attention to reports of the escalating crisis. But the arrival of a beautiful woman named Rize Kamishiro breaks his solitude when she boldly asks him out on a date. As Kaneki walks Rize home, he realizes she is far from the kind person she seemed—she lured him with malicious intent. After a violent struggle, he wakes up in a hospital to find out his life was saved by having the organs of the now-dead Rize transplanted into his body. Kaneki's body starts changing in terrifying ways, turning him into a human-ghoul hybrid. As he begins his grim new path, Kaneki desperately holds onto his humanity amid the growing bloody war between society's new monsters and the government agents hunting them.

Parasitic aliens suddenly descend upon Earth, infiltrating humanity by burrowing into the brains of vulnerable targets. These insatiable creatures seize complete control of their hosts and can morph into various forms to hunt unsuspecting prey. Sixteen-year-old high school student Shinichi Izumi is attacked by one of these parasites, but it fails to take over his brain, ending up in his right hand instead. Unable to move to its intended location, the parasite, named Migi, must rely on Shinichi to survive. This forces the duo into an uneasy coexistence as they defend themselves against hostile parasites determined to eliminate this new threat to their kind.

Ken Kaneki has finally begun to embrace the monstrous, flesh-hungry side of himself that he once dreaded and loathed. After managing to escape being held captive and tortured, Kaneki decides to align himself with Aogiri Tree—the same violent ghoul group that originally kidnapped him, causing his friends to doubt his true intentions and allegiance. As hostilities between the government and ghouls keep escalating, the Commission of Counter Ghoul, the state's dedicated anti-ghoul task force, has stepped up its campaign to eliminate all ghouls from Tokyo. This endangers the fragile peace enjoyed by Kaneki's friends and former allies—the ghouls of the Anteiku café. Fully aware of the peril, Kaneki endures several fights that test his precious, fleeting humanity.

Transfer student Kouichi Sakakibara returns to class 3-3 at Yomiyama North Junior High after being absent for the first month of school due to illness. He feels a strange pull toward Mei Misaki, a quiet girl with an eyepatch whom he encountered in the hospital during his leave. However, his classmates refuse to acknowledge her existence and warn him not to get involved with things that do not exist. Ignoring their caution, Kouichi befriends Mei and soon uncovers the dark truth behind their unease. The disturbing rumors center on a former student of class 3-3, but no one will fully explain the tragic event to Kouichi. Drawn into the curse affecting his class, he sets out to understand its link to his new friend. As terrible events begin to unfold around them, Kouichi, Mei, and their classmates must solve the eerie mystery—but doing so will come at a heavy cost.

Lucy belongs to a subspecies of humanity known as Diclonius, characterized by small horns and invisible telekinetic limbs—traits that make her a target for brutal government experimentation. When a chance to flee arises, the years of confinement and torture have twisted her, and she slaughters her way through her captors in a bloody escape. During the breakout, a severe head injury fractures her psyche, creating a second personality resembling a childlike innocent with barely any speech. In this vulnerable state, she crosses paths with Kouta and his cousin Yuka, two college students who take in the wounded fugitive, having no idea of her lethal nature. Their compassion sets off a chain of events that plunges them into a hidden world of government secrets and conspiracy.

It all began without warning: the dead rose from their graves, plunging Japan into utter chaos. When these creatures invade a high school, Takashi Kimuro is forced to kill his best friend after he is bitten and becomes one of the walking dead. Swearing to protect Rei Miyamoto, the girlfriend of the man he just put down, they manage to escape their school-turned-deathtrap, only to find a society that has already collapsed. Takashi and Rei soon join forces with other students, embarking on a journey to locate their families and discover the source of this overwhelming outbreak. Their group includes Saeko Busujima, the refined president of the Kendo Club; Kouta Hirano, an otaku obsessed with firearms; Saya Takagi, the daughter of a powerful politician; and Shizuka Marikawa, their attractive school nurse. Yet even with their combined strength, they must question if it will be enough to survive the undead apocalypse.

Two years have elapsed since the CCG's assault on Anteiku. While the atmosphere in Tokyo has shifted considerably with the CCG's heightened presence, ghouls remain a persistent issue as they have grown more cautious, particularly the terrorist syndicate Aogiri Tree, which recognizes the CCG's escalating danger to their survival. The formation of a specialized unit called the Quinx Squad could give the CCG the advantage needed to eliminate Tokyo's unwanted inhabitants. These are humans who have undergone surgery to harness the unique abilities of ghouls, and they take part in missions to eradicate these perilous creatures. The squad's leader, Haise Sasaki, is a half-ghoul, half-human trained by the renowned special class investigator Kishou Arima. Yet there is more to this young man than appears, as buried memories claw at his mind, gradually recalling the person he once was.

Devils require a living host to manifest. However, if a person's will is sufficiently strong, they can overcome the demon and claim its power for themselves, becoming a Devilman. Akira Fudou is a timid and gentle soul with an overly compassionate nature. When his childhood friend Ryou Asuka asks for assistance in hunting devils, Akira agrees without a second thought. But to Akira's shock, their destination is Sabbath, a hedonistic gathering of depravity and excess. As bloodshed erupts, demons possess the revelers, transforming them into grotesque monsters and causing chaos. In a desperate bid to save his friend, Akira inadvertently fuses with the demon Amon, transforming into a Devilman and gaining the strength to defeat the remaining demons. This new union grants him immense power, but it also awakens a primal, uncontrollable side of Akira. Now bearing a devil's body while retaining his compassionate heart, Akira joins forces with Ryou, destroying those who threaten humanity and those he holds dear.

Creatures of darkness and evil roam the night, devouring any humans unfortunate enough to fall into their grasp. Standing against these supernatural threats to humanity is Hellsing, an organization dedicated to their destruction. The group is led by Integra Fairbrook Wingates Hellsing, who commands a formidable military force and dedicates her life to combating the undead. Yet, Integra’s vast army is overshadowed by her ultimate weapon: the vampire Alucard, who serves as an exterminator for Hellsing against his own kind. Alongside his new vampire servant, Seras Victoria, Alucard must fight not only monsters but anyone who opposes Hellsing, regardless of whether they appear good or evil. In the struggle for humanity’s survival, Hellsing Ultimate demonstrates that appearances can be deceiving, and the greatest weapon may take the form of one’s worst nightmare.

Makoto Naegi, an ordinary teenager with no special talents, is shocked to discover he has been admitted to Hope's Peak Private Academy, a prestigious school that brings together the most gifted students from every discipline. Even though he believes his acceptance was just luck, Naegi is excited to attend a place famous for guaranteeing success to its graduates. Filled with determination, he steps through the front doors of the elite institution. But after losing consciousness inside, Naegi wakes up in a classroom that looks abandoned. Unable to understand how he got there, he starts searching the building and is surprised to find his classmates gathered in the gym. As everyone tries to make sense of the situation, they are confronted by the principal—Monokuma, a robotic teddy bear. This mysterious creature explains that the students are trapped inside the school, and the only way to escape is to kill a fellow student without getting caught. Anxiety grips Naegi and his classmates as they realize they have only two options: take part in Monokuma's deadly game, or remain trapped together in the school forever.

Following the Tsukiyama Family Extermination Operation, the Commission of Counter Ghouls (CCG) has become significantly stronger and continues its mission to wipe out all ghouls in Japan. Having left the Quinx Squad, the now apparently emotionless Haise Sasaki takes on increasingly difficult assignments from the CCG without concern for their danger. Despite his blank expression, Ken Kaneki's memories are slowly resurfacing within Haise, causing him inner turmoil. At the same time, his newly cold demeanor affects those around him. The Quinx Squad is left in disarray, struggling to cope with the loss of one of their members while lacking their former mentor's support. Amid this chaos, both the Quinx Squad and Haise must continue carrying out their duties for the CCG, whether they want to or not. However, Haise has become aware of a mysterious group operating behind the CCG, and the Quinx Squad has also caught wind of certain whispers about corruption.

In 1988, a boy wielding psychic abilities triggers a catastrophic explosion in Tokyo that sparks World War III. To avert further devastation, he is detained and disappears from public knowledge. Three decades later, the rebuilt Neo-Tokyo is plagued by gang warfare and anti-government terrorism. Shoutarou Kaneda commands "the Capsules," a crew of delinquents famous for their oversized custom bikes and ongoing feud with their rivals, "the Clowns." During a clash with these rivals, Kaneda’s best friend, Tetsuo Shima, collides with an esper who has fled a government facility. This incident awakens latent, dangerous powers within Tetsuo. As the authorities move to contain this new psychic threat before it can destroy the city once more, Tetsuo’s escalating abilities place him at the center of the chaos.

In the age of the industrial revolution, a strange virus gives rise to monstrous beings known as Kabane, which attack humans to feed. The only way to defeat them is to shatter their iron-coated hearts. Anyone bitten by a Kabane is cursed to become one of the undead themselves. Only the most heavily guarded settlements have managed to survive, such as the island of Hinomoto, where huge walls protect humanity from the endless swarms. Entry to these enormous fortresses is limited to armored trains, which are built and run by young men like Ikoma. Ikoma has created a powerful weapon designed to pierce the hearts of Kabane, and he is eager to test it in battle. Yet his opportunity to fight arrives much sooner than he ever expected.

In the summer of 1983, Keiichi Maebara moves to the peaceful village of Hinamizawa, where he quickly becomes close friends with his schoolmates Rena Ryuuguu, Mion Sonozaki, Satoko Houjou, and Rika Furude. But beneath the surface of their seemingly perfect daily lives, a dark secret lies waiting. As the village gears up for its yearly festival, Keiichi hears about the local folklore tied to the event. To his shock, he learns that a series of murders and disappearances have occurred in the village over the past few years, all seemingly linked to the festival and the village's patron deity, Oyashiro. When Keiichi tries to question his new friends about these incidents, they remain eerily quiet and refuse to give him the information he seeks. As strange events pile up, he begins to wonder what else they might be hiding from him—and whether he can trust them at all. As madness and paranoia creep into Keiichi's mind, he will plunge headlong into the mysteries unfolding in Higurashi no Naku Koro ni, a tale told across multiple story arcs.

J-pop idol group CHAM! has been entertaining its fans for the past two years. However, all good things must eventually come to an end, and one of its members, Mima Kirigoe, decides to leave the group to pursue acting. Although her decision receives mixed reactions, Mima hopes her fans will continue to support her. But after leaving the group, Mima's life starts to change dramatically. Determined to shake off her pop-idol image, she accepts a role in a crime drama series, and her acting career becomes increasingly demanding and stressful for both her and her manager, Rumi Hidaka. Adding to Mima's growing anxiety, an obsessed fan who cannot accept that she has quit being an innocent idol begins stalking her, a mysterious new website starts impersonating her life with precise details, and CHAM! seems to be doing better without her. Each disturbing development pushes Mima further toward instability, making it harder for her to tell reality from fantasy.

Around the year 2011, a small portion of humanity began awakening psychokinetic abilities known as Cantus. Over a thousand years later, in the village of Kamisu 66, Saki Watanabe is the last among her friends to manifest her powers and enroll at the Sage Academy, a school for psychics. Although all students there possess Cantus, they are not treated equally; soon after Saki starts, a classmate considered weaker than the rest suddenly disappears. One day while walking home with her friends—the determined Maria Akizuki, the intelligent Shun Aonuma, the observant Satoru Asahina, and the timid Mamoru Itou—she encounters two unfamiliar creatures called Monster Rats. These mole-like beings worship those who wield Cantus as gods. When Saki uses her ability to help one of them out of a predicament, she is met with profound gratitude. Now questioning the Monster Rats' place in society, Saki and her companions discover another disappearance. As time passes, they gradually seek answers to the mysteries surrounding them and begin to realize that this seemingly perfect new world conceals humanity's dark history.

The Hellsing organization, which specializes in handling supernatural threats, is summoned to Cheddar where a vampire has been turning villagers into ghouls. To stop this, the organization's head, Sir Integra Fairbrook Wingates Hellsing, deploys her most powerful weapon: a mighty vampire named Alucard. With nothing more than a single handgun, Alucard unleashes destruction upon the monsters terrorizing Cheddar. But a young policewoman, Seras Victoria, gets drawn into the conflict and ends up fatally injured. Feeling sympathy for her, Alucard offers Seras an ultimatum: perish as a human or continue existing as a vampire. She chooses the latter and starts a new chapter as part of Hellsing. Even though it was her own choice, Seras finds it hard to accept that she is no longer human. However, she must quickly come to terms with her new nature if she intends to endure on the battlefield of the war between mankind and the supernatural.

Guts, who will later be known as the Black Swordsman, is a young mercenary traveling from place to place, recognizable by the enormous greatsword he carries. He takes on jobs that pay the most, but never stays with any group for long—until he comes across the Band of the Falcon. After completing a job, Guts is ambushed and defeats many members of the band in combat. Griffith, the founder and leader of the Band of the Falcon, becomes interested in Guts and challenges him to a duel. Though the other members are no match for Guts, Griffith defeats him with a single blow. Incapacitated and brought to the Band of the Falcon's camp to recover, Guts awakens two days later. He confronts Griffith, and they duel again, this time under a condition: if Guts loses, he must join the Band of the Falcon. Because of his still-healing injuries, Guts loses the fight and is inducted by Griffith. Over the next three years, Guts rises to become one of the Band of the Falcon's commanders. On the battlefield, his combat skill is second only to Griffith's, as he takes on large groups of enemies by himself. With Guts' immense strength and Griffith's leadership, the Band of the Falcon dominate every battle they fight. But something sinister lurks in the shadows, threatening to change Guts' life forever.

Rachel Gardner, her eyes hollow and empty, wishes only for death. She regains consciousness in the basement of a building with no recollection of how she got there. There, she meets Zack, a killer wrapped in bandages who is trying to escape. He vows to end her life once he obtains his freedom, and the two form an agreement to ascend the building floor by floor in search of an exit. As they climb higher, they face increasingly unhinged individuals who all appear to recognize Rachel. The puzzle deepens around her link to the facility and why she is held captive. Facing a new boss on every level, Rachel and Zack must figure out whether both of them can achieve their respective goals.

Since childhood, Chihiro Furuya has been obsessed with zombies, dreaming of having an undead partner. His fascination becomes practical when his cat, Baabu, is hit by a car, prompting Chihiro to create a resurrection elixir in hopes of reviving the pet. While experimenting, he meets Rea Sanka, a wealthy girl who releases her frustrations about her oppressive home life by shouting into an abandoned well. After bonding with her, Rea encourages Chihiro to continue his work, and he eventually succeeds using poisonous hydrangeas from her family’s garden. Unaware that the potion works, Rea drinks it hoping to end her suffering, believing it will kill her. Instead, the potion’s magic interacts with a fatal accident, causing her to rise as a zombie. With Chihiro’s help, she tries to navigate her new existence. Though this might seem perfect for a boy seeking a zombie girlfriend, life in Sankarea becomes increasingly strange as Chihiro must manage Rea’s unusual new appetites and the unexpected consequences of her transformation.

In the quiet village of Sotoba, life is peaceful and everyone knows each other. However, things take a dark turn when Megumi Shimizu, an ambitious young girl, dies suddenly from a mysterious illness. As the hot summer progresses and more unexplained fatalities occur, local physician Toshio Ozaki starts to believe there is a more malevolent force behind the deaths. Toshio joins forces with detached teenager Natsuno Yuuki and siblings Kaori and Akira Tanaka—friends of Megumi—to uncover the truth about the town's deaths. Their collaborative investigation steers them toward a disturbing secret connected to the newly arrived family residing in the Kanemasa mansion.

Hole is a dark, decaying, and chaotic district where the strong exploit the weak and death is a routine event—a name that perfectly suits this lawless realm. Cut off from morality and justice, it serves as a playground for the magic users who rule over it. As a race at the top of society, magic users view Hole’s inhabitants as nothing more than insects. Murdered, mutilated, and used in experiments without a second thought, the powerless residents of Hole fill the hospital’s halls every day. With free access to and from this cesspool and little resistance to their dominance, the magic users seem unstoppable to most—except for a few. Caiman, more reptile than human, is one such exception. He hunts them on a reckless quest for answers, armed only with a trusted pair of bayonets and his immunity to magic. Cursed by his appearance and tormented by nightmares, magic users are his only lead to restoring his life to normal. With his biggest obstacle being his stomach, his female companion Nikaidou, who runs the Hungry Bug restaurant, is his greatest ally.

The mysterious immortal entities known as Ajin first appeared in Africa seventeen years ago. Because their indestructible bodies pose a threat to humanity and they could be exploited for malicious purposes, they are immediately detained upon discovery. Kei Nagai, a hardworking high school student with aspirations of becoming a doctor, largely ignores the school curriculum concerning these beings, having only seen them occasionally in the news. Although he is taught that Ajin are not human, his ignorance proves irrelevant when he survives a fatal accident that triggers his transformation into an Ajin, plunging him into intense suffering. As he flees alone from a world that hunts him, Kei learns that other members of his kind might be hiding in plain sight.

Miko Yotsuya wipes away tears while staring at her phone, deliberately ignoring a terrifying monster standing right in front of her that asks, "Can you see me?" Until recently, Miko lived a normal high school life, viewing horror movies simply as entertainment. However, following a specific incident, she became the only person capable of perceiving the invisible monsters that roam among humans. Determined to cope with this reality, Miko makes a firm choice to never acknowledge these gruesome spirits. Even though she acts as if they are not there, she witnesses them tormenting those around her, particularly her bubbly and charming best friend, Hana Yurikawa. To shield her friends from the creatures' harassment, Miko strives to maintain her regular school routine and dodge every dangerous situation, enduring the fear to the point of tears.