Anime Like Riddle Story of Devil

Centuries ago, humanity teetered on the brink of extinction due to giant humanoid monsters called Titans, compelling survivors to hide behind massive concentric walls. These horrific creatures devour humans not for sustenance but for pleasure, allowing those within the walls to enjoy a century of peace untouched by Titan assaults. This tranquility ended abruptly when a Colossal Titan breached the outermost barrier, dragging humanity back into a frantic fight for survival against the flesh-eating beasts. Eren Yeager, fueled by the heartbreaking death of a loved one at the hands of a Titan, swears to eradicate them all and enlists in the Survey Corps, an elite military force that engages Titans outside the walls. Together with his adopted sister, Mikasa Ackerman, and childhood friend, Armin Arlert, Eren plunges into the deadly war, seeking a method to destroy the Titans before the remaining walls collapse.

In Tokyo, a concealed threat exists in the form of ghouls—beings that appear human and integrate seamlessly into society. Ken Kaneki, a reserved university student dedicated to his studies, remains oblivious to this rising peril until he encounters Rize Kamishiro, an enchanting woman who asks him on a date. As they head home, Kaneki uncovers Rize's true nature when she exposes her lethal intent. Following a brutal confrontation, he awakens in a hospital to learn that his life was saved by transplanting Rize's organs, a procedure that has fundamentally altered his physiology. As his body undergoes disturbing transformations, Kaneki becomes a hybrid of human and ghoul. While striving to retain his humanity, he finds himself caught in the intensifying war between ghouls and the government forces committed to their extermination.

For generations, humanity has endured the constant peril posed by the Titans, massive and enigmatic beasts. Their only sanctuary lay behind three colossal barriers: Wall Maria, Wall Rose, and Wall Sheena, which provided safety for over a hundred years. That tranquility shattered when the Colossal Titan and the Armored Titan breached Wall Maria, compelling the population to flee behind Wall Rose. Now, they brace for the next assault that could obliterate their final stronghold. In the second season of Shingeki no Kyojin, Eren Yeager and his peers from the 104th Training Corps have officially joined the Survey Corps, preparing to confront the Titans once more. Their mission is abruptly derailed when Wall Rose suffers an attack, proving that nothing is as simple as it seems. As the Survey Corps scrambles to protect the wall, fresh mysteries surface regarding the nature of the attacking Titans and the concealed truths lurking within their own ranks.

Amidst the relentless battle against the Titans endangering humanity's existence within the remaining walls, a sinister threat begins to fester among the inhabitants themselves. Following his narrow escape from the Colossal Titan and Armored Titan, Eren Yaeger focuses on perfecting his Titan-shifting powers. Simultaneously, Krista Lenz mourns the death of a comrade, while Captain Levi assembles a new special operations squad featuring Eren and his allies. As Commander Erwin Smith recuperates from his wounds and troop spirits rise, this fragile calm is shattered when the government abruptly demands the surrender of both Eren and Krista. The Survey Corps' recent victories have attracted scrutiny, leading to the dispatch of a figure from Levi's past to apprehend the two. Now, Levi and his unit must flee, charged with shielding Eren and Krista from their pursuers. The war for survival against the horrifying Titans escalates, compounded by a treacherous conflict with a far more cunning human adversary.

To reignite humanity's waning hope, the Survey Corps embarks on a perilous mission to reclaim Wall Maria, renewing their battle against the merciless Titans. Upon returning to the devastated Shiganshina District, formerly Eren Yeager's home, he and his comrades discover the area strangely devoid of Titans. Even after securing the outer gate, they encounter no resistance. The operation proceeds without a hitch until Armin Arlert, wary of the enemy's absence, uncovers proof of a concealed trap. Attack on Titan Season 3 Part 2 chronicles Eren's resolve to recover what was stolen from him. Alongside the Survey Corps, they advance through numerous sacrifices, striving for victory while seeking the secrets buried within the Yeager family's basement.

Gabi Braun and Falco Grice have devoted their lives to rigorous training, hoping to inherit one of Marley's seven Titans to destroy the Eldians on Paradis. Yet, their promising futures are suddenly shattered by the arrival of Eren Yeager and the surviving members of the Survey Corps. Having discovered the dark origins of the Titans within the Yeager family's secret basement, the Survey Corps finally holds the vital truths they sought. Now armed with this knowledge, they step out into the world beyond the walls. In "Attack on Titan: Final Season," these conflicting factions collide as each side races toward their goals, leading to the long-awaited conclusion of Paradis's fight for freedom.

In The Future Diary, Yukiteru Amano is a quiet middle school student who records every aspect of his daily life in a digital diary on his phone. Feeling like an outsider at school, he frequently converses with his imaginary friends: Deus Ex Machina, the god of time and space, and Mur Mur, Deus' assistant. One day, Yukiteru notices his phone beginning to predict future events. Initially dismissing it as a coincidence, he soon realizes the predictions are accurate. As he starts utilizing this power, he discovers that his classmate Yuno Gasai possesses a similar device. Together, they manage to evade a mysterious pursuer and return home. There, Deus Ex Machina reveals that they, along with ten others, are now participants in a deadly game where the winner will become Deus Ex Machina's successor. With no other option, Yukiteru and Yuno must rely on their Future Diaries to survive and win the brutal competition.

Parasitic aliens descend from space to infiltrate Earth, seizing human brains to transform their hosts into predators. When seventeen-year-old Shinichi Izumi narrowly avoids full possession, a parasite named Migi fails to reach his brain and instead takes control of his right hand. Deprived of its primary objective, Migi must depend on Shinichi for survival, binding them in an uneasy alliance as they confront other dangerous parasites intent on eradicating this deviation from their kind.

In Tokyo Ghoul √A, Ken Kaneki slowly begins to accept his ghoul nature, a side of himself he previously dreaded and denied. Following a traumatic ordeal of imprisonment and torture, Kaneki chooses to join Aogiri Tree, the brutal ghoul faction that first kidnapped him, a decision that leads his friends to mistrust his allegiance and wonder about his real intentions. As tensions rise between humans and ghouls, the Commission of Counter Ghoul, the government's specialized anti-ghoul force, ramps up its mission to wipe out all ghouls in Tokyo. This escalating danger threatens the delicate balance held by Kaneki's friends and former comrades at the Anteiku coffee shop. Knowing the stakes, Kaneki engages in a series of battles that challenge the very last remnants of his humanity.

In the 22nd century, Japan operates under the Sibyl System, which measures an individual's criminal potential via their Psycho-Pass. This technology allows Inspectors to identify and neutralize societal threats, frequently using lethal force, while being supported by Enforcers—ex-convicts given conditional liberty to aid the Inspectors. Akane Tsunemori, a principled young Inspector, enters this environment with a steadfast belief in justice. Partnering with the experienced Enforcer Shinya Kougami, she begins to notice flaws in the Sibyl System's judgments, undermining her initial convictions. As she grapples with these revelations, Akane starts to question the true essence of justice and whether it can truly be realized through a system that might be fundamentally defective.

In Elfen Lied, Lucy is a Diclonius, a subspecies marked by horns and invisible telekinetic arms that made her a target of brutal government experiments. When she finally finds a chance to escape, the years of her captivity and suffering have twisted her mind, leading to a bloody slaughter of her captors as she breaks free. During her frantic flight, a severe head injury fractures her psyche, creating a second, childlike personality who is barely able to speak. In this vulnerable state, she is found by Kouta and his cousin Yuka, college students who unknowingly take the injured fugitive in. Their compassion sets off a chain of events that pulls them into a hidden world of government secrets and conspiracy.

The sudden reanimation of the dead plunges Japan into widespread chaos. When zombies breach a high school, Takashi Kimuro is compelled to put down his closest friend after the infection turns them into the undead. Vowing to protect Rei Miyamoto, the girlfriend of the person he was forced to kill, the two escape the hazardous school and find themselves in a world already crumbling. Joining forces with other survivors, Takashi and Rei embark on a journey to locate their loved ones and uncover the origin of the zombie outbreak. Their group consists of Saeko Busujima, the elegant captain of the Kendo Club; Kouta Hirano, an otaku with a deep fascination for firearms; Saya Takagi, the daughter of a prominent politician; and Shizuka Marikawa, the attractive school nurse. Despite their combined efforts, they must still wonder if their skills are sufficient to endure the relentless zombie apocalypse.

In Attack on Titan: Final Season Part 2, Eren Yeager pivots against both former allies and foes, unleashing a devastating plan. With Zeke serving as the Beast Titan, Eren executes extreme measures to conclude the enduring conflict between Marley and Eldia, although his true intentions remain obscure. Delving into his family's past, Eren battles to command his own destiny. Simultaneously, Marley and Eldia engage in a savage confrontation, deploying their forces and Titans to annihilate one another. Reiner Braun utilizes his powers to counter Eren's military might, while his fellow Eldian youths, Falco Grice and Gabi Braun, fight to endure the ensuing turmoil. Elsewhere, Eren's childhood friends, Mikasa Ackerman and Armin Arlert, alongside his ex-Survey Corps comrades, fall into captivity. Despite witnessing Eren's terrifying metamorphosis, they cling to the hope that some goodness remains within him and join the struggle to rescue him.

Ganta Igarashi begins an ordinary day preparing for a school excursion to Deadman Wonderland, an amusement park where incarcerated performers stage perilous shows for spectators. However, his routine is shattered when a figure cloaked in red brutally massacres his entire class. Wrongfully accused and sentenced to death, Ganta is incarcerated within the very facility he was meant to tour. Thrust into a harsh environment populated by vicious inmates and bizarre supernatural abilities, Ganta is forced to wear a lethal collar that only deactivates when he succeeds in the prison's deadly competitions. To endure this treacherous setting where trust is scarce, he must constantly gamble with his life while hunting down the enigmatic "Red Man" to clear his name.

Two years after the CCG's raid on Anteiku, Tokyo has changed under the organization's intensified watch. Despite these measures, ghouls continue to pose a severe danger, especially the terrorist faction Aogiri Tree, which has become more wary of the CCG's expanding influence. In response, the CCG created the Quinx Squad, an elite unit of humans surgically modified to possess ghoul abilities for hunting these threats. The squad is led by Haise Sasaki, a half-ghoul, half-human trainee of the legendary special class investigator Kishou Arima. Yet Haise harbors repressed memories that are slowly returning, offering flashes of his past self.

In the aftermath of the Tsukiyama family's destruction, the Commission of Counter Ghouls (CCG) escalates its efforts to eradicate every ghoul in Japan. Haise Sasaki, having left the Quinx Squad, accepts perilous missions for the CCG with a cold and unyielding determination. Yet beneath this emotionless facade, fragments of Ken Kaneki's memories begin to resurface, causing deep internal conflict that impacts those around him. The Quinx Squad finds itself struggling in Haise's absence, grappling with the void left by their former leader and mentor. Despite their personal desires, both the squad and Haise are compelled to continue their duties within the CCG. Simultaneously, Haise uncovers evidence of a clandestine group operating behind the CCG's scenes, while the Quinx Squad hears whispers suggesting corruption within the organization itself.

Following the death of his parents, Aslan Jade Callenreese, known as Ash Lynx, was raised by the notorious mafia boss Dino Golzine. Now seventeen and the head of his own criminal organization, Ash is propelled by the dying words of his brother Griffin, who repeatedly whispered "Banana Fish" before succumbing in the Iraq War, to embark on a perilous investigation. However, his inquiry is abruptly interrupted when Dino's enforcers raid Ash's secret base located in an underground nightclub. Amidst the chaos, Ash encounters Shunichi Ibe and Eiji Okumura, two Japanese photojournalists documenting street gangs, through the connection of his friend Skip. Despite a cautionary warning from Shorter Wong, Dino's forces capture both Skip and Eiji. With no other option but to confront his dark history in the underworld, Ash launches a mission to rescue the abducted journalists and reveal the secrets behind the mysterious Banana Fish.

Ryouta Sakamoto is an unemployed young man residing with his mother, renowned solely as Japan's number one player in the online game Btooom!. His mundane existence is shattered when he wakes up on a secluded island, possessing no memory of his arrival and finding a small green crystal embedded in his left hand. The horror sets in as he realizes the virtual battle he enjoys has manifested in reality. Every participant is equipped with special bombs known as "BIM" and must defeat seven opponents to claim their green crystals, the only way to secure a return home. Although Ryouta initially hesitates to engage in violence, the cruel nature of his fellow competitors forces his hand. He eventually teams up with Himiko, another proficient Btooom! player, as they strive to flee the island and gradually expose the sinister secrets driving this lethal tournament.

During the industrial revolution, a mysterious virus spawns terrifying creatures called Kabane that devour humans. These monsters can only be slain by shattering their iron-encased hearts, and anyone bitten inevitably transforms into a Kabane. One of the few remaining human bastions is the island fortress of Hinomoto, shielded by massive walls that repel constant assaults. Entry to these fortified havens relies on armored trains run and maintained by young people like Ikoma. Ikoma has crafted a potent weapon capable of piercing a Kabane's heart and is keen to put it to the test. Yet, his chance to battle arrives far sooner than he anticipated.

Following Eren Yeager's catastrophic actions, an unlikely coalition forms from both former allies and enemies to oppose his devastation. Armin Arlert, Mikasa Ackerman, and the remaining members of the Scout Regiment unite with Reiner Braun and surviving Marleyan soldiers to battle against Eren's fury. This improbable alliance aims to stop him and perhaps rescue their once-cherished friend. Driven forward without regard for consequences, Eren struggles internally with guilt over the destruction he has caused, rationalizing his deeds as necessary to protect his loved ones and humanity at large. As opposing factions move inevitably toward a final confrontation that threatens countless lives, Mikasa, Armin, and their comrades face the unavoidable with unyielding courage amidst unprecedented horrors.

In the town of Lawless, Angelo Lagusa watches in horror as the Vanetti mafia clan brutally murders his parents and younger sibling. Overcome with grief, he abandons his former life and adopts a new identity as Avilio Bruno. Seven years later, a mysterious letter summons Avilio back to Lawless. Upon his return, he encounters Nero, the son of the Vanetti boss, and begins cultivating a friendship with him while employing the covert skills he has honed over the years. Set during the Prohibition era, 91 Days chronicles Avilio's relentless and violent quest for vengeance as he systematically targets and eliminates those responsible for his family's death.

Ichirou Inuyashiki, a 58-year-old man, endures a bleak existence plagued by chronic back pain and the emotional neglect of his wife and children. His sole solace comes from Hanako, a stray Shiba Inu he rescued. His circumstances deteriorate further upon receiving a stage four stomach cancer diagnosis with a mere three-month prognosis. Though he attempts to remain resilient, his family's icy demeanor drives him to the brink. Seeking tranquility, he visits a nearby field with his dog, where an enigmatic figure suddenly appears. Suddenly, a brilliant flash of light and debris engulfs Ichirou. Upon awakening, he discovers his body has been transformed, now housing a concealed mechanical weapon. Initially stunned, the benevolent Ichirou swiftly employs his new powers to save a life, an act that restores his vitality and sense of purpose. The origin of these abilities remains a mystery. Who was the mysterious individual at the site of the explosion, and do their motives align with Ichirou's desire to aid others despite possessing such formidable strength?

In this sequel to the sci-fi psychological drama, Akane Tsunemori continues her duties as an inspector, executing the Sibyl System's judgments. She is joined by new enforcers and Mika Shimotsuki, a dedicated junior inspector who faithfully adheres to Sibyl. As Akane contemplates her responsibilities and starts to question the correctness of Sibyl's decisions, a mysterious threat emerges. An unknown attacker has discovered a method to manipulate the Crime Coefficient, the metric the Sibyl System uses to evaluate mental stability and identify potential criminals. Exploiting this flaw, the assailant commits murder and leaves a cryptic message—"WC?"—written in blood at the scene. Division 01, including Akane, becomes embroiled in a dangerous struggle against this new enemy. They uncover a conspiracy that challenges the validity of the Sibyl System and undermines the very core of Akane's convictions.

High school student Kaname Sudou becomes intrigued by the mysterious mobile app Darwin's Game after a classmate recommends it. Upon installing the application, Kaname is suddenly knocked unconscious when a digital green snake lunges from the screen and bites him. After waking up in the school clinic with no physical wounds, he dismisses the incident as a hallucination and returns home, but his curiosity compels him to launch the app once more. Initially convinced it is merely a standard combat game, Kaname soon discovers the terrifying reality when his virtual opponent materializes in the real world and assaults him with a weapon. Understanding that Darwin's Game is a lethal battle royale, Kaname desperately flees to save his life.