Manga Like Boukyaku Tantei Series

At Grace Field House, the orphans lead what seems like a perfect life. Despite being without parents, they live with other children and a kind "Mama" who cares for them, fostering a tight-knit family environment. All children are well-looked after, as adoption is guaranteed by the time they turn twelve. Their days consist of intensive tests followed by outdoor playtime. However, there is one strict rule: they must never leave the orphanage grounds. One day, Emma and Norman, two of the highest-performing children, venture outside the fence and discover the terrible reality of their situation. With their quick thinking, the children must unite to alter the course of their destined futures.

In the American Old West, the stage is set for the planet's most extraordinary race. Thousands of competitors gather in San Diego, ready to embark on a journey of over six thousand kilometers, with a fifty-million-dollar prize as the ultimate reward. As the era of horses comes to an end, racers can use any type of vehicle. They must navigate harsh conditions and traverse uncharted desert landscapes, sometimes traveling up to one hundred kilometers daily. The Steel Ball Run is an unparalleled contest. Johnny Joestar, a young former horse racer now wheelchair-bound, arrives in San Diego just as the race begins. Here, he encounters Gyro Zeppeli, a racer who carries two steel spheres instead of a weapon. Johnny witnesses Gyro using one of these spheres to create a supernatural effect, causing a man in a standoff to turn his own gun against himself. Amidst the chaos, Johnny accidentally touches the steel ball, feeling energy surge through his legs, allowing him to stand after two years of being confined to a wheelchair. Driven by the desire to unravel the mystery behind the steel balls, Johnny decides to join the race, embarking on a bizarre adventure across America during the Steel Ball Run.

As the 20th century draws to a close, a growing sense of unease spreads across the globe, hinting at a major and possibly ominous turning point for the world. Kenji Endou, an ordinary convenience store manager living a mundane life, learns that an old acquaintance nicknamed "Donkey" has tragically died by their own hand. Around the same time, a new cult led by someone called "Friend" begins to attract widespread attention. Kenji starts to suspect that something dark is unfolding. Using cryptic clues left behind by his late friend, he discovers that this cult is a far greater threat than it first appeared—one that directly targets him and his childhood friends, with the fate of the world hanging in the balance. Only they hold the key to preventing disaster. Kenji's routine life is disrupted as he reconnects with his childhood friends. Together, they must uncover the link between their past and the cult, as the dawn of the new millennium may signal the end of the world.

In "Monster," Kenzou Tenma, a renowned Japanese neurosurgeon working in post-war Germany, faces a moral dilemma when he must choose between operating on Johan Liebert, a terminally ill orphan, or the Mayor of Düsseldorf. He opts to operate on Johan despite the risk to his career, leading to the Mayor's death. This decision results in Tenma losing his position at the hospital due to Heinemann's disapproval, and his fiancée, Heinemann's daughter Eva, breaks off their engagement. Feeling ostracized and with his career in ruins, Tenma's fortunes shift when Heinemann is found dead under mysterious circumstances, providing Tenma with a renewed opportunity. Nine years pass, and Tenma rises to become head of the surgical department, with a shot at becoming hospital director. However, his success is marred by a string of brutal killings throughout Germany. The culprit is revealed to be none other than Johan Liebert, the child Tenma once saved, now transformed into a monstrous figure.

In a world of endless snow and ice, humanity clings to survival because of the mysterious Ice Witch. The unrelenting cold has driven people to extreme lows—cults, violence, and the persecution of the Blessed, those gifted with supernatural abilities. Agnia and Luna, orphaned siblings who are Blessed with the power to regenerate, try to live a quiet life in a small community of elders. Their bond offers a brief reprieve from the harsh surroundings. But this peace is shattered when army commander Doma arrives and sets their home ablaze, killing everyone, including Luna. Doma’s cursed flames keep burning until their target is completely consumed; Agnia’s regeneration keeps him in a constant state of agony. Nearly a decade later, Agnia has learned to withstand Doma’s relentless fire. His thirst for revenge burns as fiercely as the day Luna died. Traveling through the frozen wasteland, he vows to destroy Doma and avenge his sister.

For years, Twenty-Fifth Bam lived a solitary life until he met Rachel. With her decision to climb the Tower firmly set, Rachel prepares to leave Bam behind to chase her ambition. Following Rachel through a radiant barrier, Bam begins his journey to ascend the Tower, driven by his wish to reunite with her. The Tower, however, is a treacherous realm filled with ancient mysteries, formidable creatures, and hostile individuals. Each floor is overseen by an Administrator who imposes rigorous trials on those brave enough to face them, pushing their limits to the extreme. When confronting Headon, the Administrator of the first floor, Bam learns he is classified as an "Irregular"—someone who entered the Tower without being chosen by it, an exceptionally rare occurrence. Even with this revelation, Bam's path forward remains unwavering. Whether it be riches, strength, fame, or reunion with Rachel, the summit of the Tower promises to fulfill every desire.

In the eerie Abyss, a realm filled with grotesque beings called Chains, most believe it to be nothing more than a cautionary tale for children. However, for Oz Vessalius, the lively and playful heir of the esteemed Vessalius lineage, this changes dramatically during his coming-of-age ceremony. The enigmatic Baskerville Clan appears without warning and sentences him to the Abyss for a crime he did not commit and cannot comprehend. To escape, Oz enters into a contract with Alice, an unusual Chain who can assume human form. As Oz endeavors to unravel the mysteries surrounding his condemnation, the Abyss itself, and a tragic event from a hundred years prior, he and his companions face off against the Baskervilles and the specters of history. Throughout his quest to return home, Oz is continually besieged by an overwhelming sense of hopelessness. One-shot included: Volume 8: Pandora Hearts (pilot)

In 2011, Yasuho Hirose and Joushuu Higashikata, childhood friends, discover a man stripped of his clothes and memory buried outside Morioh. Despite losing all recollection of his past, the man retains knowledge of how to wield a Stand, a supernatural ability represented by a humanoid form. Naming him Jousuke, Joushuu’s father, Norisuke, decides to shelter him at home while they help him search for his lost identity. As Jousuke delves deeper into uncovering his background, it becomes evident that his case of amnesia is not straightforward. His real identity carries a weightier significance than first apparent, and through a series of intense Stand battles, he begins to unravel a perilous conspiracy that threatens the whole town.

Susumu Nakoshi, a middle-aged man living a double existence between a luxury hotel and a park where the homeless gather, meets a mysterious stranger who proposes trepanation—a surgical procedure that involves drilling a hole into the skull. The stranger insists Nakoshi is the ideal candidate for their experiment. Despite initial hesitation, Nakoshi agrees after his car is impounded, arranging for 22-year-old medical student Manabu Ito to perform the operation for 700,000 yen. At first, there seem to be no effects from the procedure, with Nakoshi showing no signs of abnormality. However, his world takes a strange turn when he begins seeing homunculi, tiny humanoid figures, inside every person he encounters. Transformed by this new perception, Nakoshi must confront the challenge of dealing with these homunculi.

In the shadowy depths of the English countryside lies the Phantomhive estate, a place notorious for its cold and merciless reputation as the "Queen's Watchdog" and the leader of London's criminal underworld. Following a tragic incident that claims the lives of the Earl and his wife, their young son, Ciel, unexpectedly assumes the role of the new Earl. Though initially perceived as merely a child with peculiar servants, it soon becomes clear that defying Ciel and his enigmatic butler, Sebastian, is unwise. Set against the backdrop of the late 19th century, Black Butler chronicles the duo as they navigate numerous mysteries and threats that plague England and endanger the Queen, all the while piecing together the mystery surrounding the death of Ciel's parents.

Seventeen years ago, immortal beings called Ajin, or demi-humans, first appeared on battlefields in Africa, marking a major discovery for humanity. Though the government claims they are compatible with society, rumors persist that Ajin are hunted down for cruel, secret experiments. Kei Nagai, an aloof high school student aiming to become a doctor, just wants a normal life. His world shatters when he survives a car crash that should have been fatal. After reviving, Kei is immediately identified as an Ajin due to the bounty on his head, leaving him confused by his new immortality and unable to prove his innocence. Forced to go into hiding to escape both government pursuit and public hatred, Kei is approached by a rebellious group of Ajin who urge him to fight back against human authorities. As tensions between humans and Ajin escalate, Kei must face his own loyalties and decide where his true allegiances lie.

Seon Jin endures constant bullying at school because of his reserved personality and weak physique. Yet his greatest terror originates from his own father. To outsiders, Jin's father seems like a prosperous entrepreneur, a committed charity worker, and a caring family man. In truth, he is a psychotic murderer, and Jin is compelled to assist him. They successfully avoid police suspicion. When the father sets his sights on the fresh arrival, Yoon Kyun, Jin faces a decision: remain a silent accessory or oppose his father and gamble everything to rescue her from sharing the destiny of earlier victims.

In the wake of the 39th Asian War, Montblanc, a revered Swiss robot celebrated for his environmental protection work, is violently killed. His death brings grief to humans and robots worldwide, as Montblanc had become even more beloved after the war. Gesicht, a robotic detective with Europol and a fellow war veteran, is assigned to investigate Montblanc's murder. As he probes the case, he finds evidence pointing to a mysterious figure called "Pluto" and uncovers a conspiracy targeting the eight elite war robots operating around the globe. Racing against time to protect the remaining robots, Gesicht struggles with his own memories, ethical questions, and a society filled with hostility, while trying to maintain the fragile balance between humans and their mechanical counterparts.

In 1999, a massive meteorite impact on Antarctica melted the ice sheets, causing global sea levels to rise dramatically and altering the world's climate, resulting in the deaths of over half of Earth's population. By 2015, the remaining human civilization faces new threats from mysterious beings called Angels—creatures of unknown origin that relentlessly destroy what is left of the world. Shinji Ikari, a 14-year-old boy, arrives in the fortified city of Tokyo-3, destined to fight these Angels. Recruited by his father's secret organization, NERV, Shinji is tasked with piloting an Evangelion, a colossal bio-mechanical robot built to battle the Angels. Bearing the burden of saving the world, Shinji must find the courage and resolve to protect both the future and himself. However, as the frequency of conflicts between Evangelions and Angels increases, the grim truth about their world slowly comes to light.

At Suzaku High, Ryuu Yamada is known as a troublemaker and delinquent. After getting a harsh scolding for his bad grades and behavior, he notices Urara Shiraishi, the top student in their year. As Shiraishi walks up the stairs, Yamada tries to provoke her but ends up tripping and pulling her down with him. When he wakes up in the infirmary, Yamada realizes he has swapped bodies with Shiraishi. Confronting her, he learns that their accidental kiss caused the swap. With this newfound power, Yamada's chaotic high school life is only beginning.

In the wake of Kenji Endo and his childhood friends' confrontation with the cult leader called "Friend," two puzzles stay unresolved: Friend's real identity and the accuracy of their final caution regarding an "anti-photon bomb." To reveal the truth, Kenji works with the United Nations, employing a virtual reality system built from Friend's childhood memories, bringing to a close a story that stretches across many years.

Kazuki Hoshino values his ordinary daily life above all else. His school days are filled with easygoing moments spent with friends—until the transfer student Aine Aya arrives and shatters that peace. The moment this cold, beautiful girl appears in his classroom, she speaks to him in baffling terms: "I've come to destroy you. This is my 13,118th transfer. After going through so many, I started getting bored, so this time I'll add some fun by making a formal declaration." With these enigmatic words, Kazuki's cherished everyday life descends into chaos and dread—Aya's sudden arrival hints at hidden secrets behind his seemingly ordinary friends, including the mysterious devices known as "boxes."

In Bungo Stray Dogs, Atsushi Nakajima, on the verge of death after being thrown out of his orphanage, finds himself without shelter or food until he saves a man named Osamu Dazai from drowning. Despite initial annoyance from Dazai's partner, Doppo Kunikida, Dazai takes in Atsushi, gives him food, and explains that they belong to the Armed Detective Agency, a group of gifted individuals who handle cases beyond the reach of ordinary law enforcement. Dazai and Kunikida then recruit Atsushi's help in tracking down a supernatural tiger that has been causing chaos in the city. Reluctantly, Atsushi joins their mission. After resolving the tiger incident, Dazai invites Atsushi to become a member of the agency. However, their situation grows even more perilous when the Port Mafia, a notorious criminal syndicate, begins targeting them. Caught between opposing factions, Atsushi must learn to control his newly discovered powers to protect himself, his new allies, and the entire city.

In the world of "Mushishi," mushi represent the most fundamental forms of life, existing without purpose or morality, simply as they are. These entities appear in countless forms, mimicking everything from plants and illnesses to natural phenomena like rainbows. Although mushi are widespread, they remain largely unknown to most humans, leaving information about them scarce. At the heart of this mysterious phenomenon lies the central question: What are mushi, and why do they exist? This question drives Ginko, a Mushishi who studies these creatures to understand their role in the complex web of life. Ginko constantly searches for clues and accounts of mushi activity, guided by the belief that understanding mushi could reveal the deep essence of existence itself.

In "Erased," Satoru Fujinuma, a 29-year-old part-time pizza deliverer, struggles to make ends meet after his dreams of becoming a mangaka failed to materialize. Despite his current state, Satoru harbors a unique ability that propels him back in time just prior to a potentially fatal situation. He refers to this power as "Revival," and it compels him to intervene and save those in danger. Satoru’s world turns grim when someone close to him is killed, and he is falsely accused of the crime. Driven by the need to clear his name and understand his circumstances, he is suddenly transported back 18 years to his elementary school days, right before the mysterious disappearance and death of his classmate, Kayo Hinazuki—a tragedy that has long shadowed him. Returning to his younger self, Satoru must now piece together the events leading up to Kayo's demise, aiming to prevent her tragic fate and uncover the identity of the killer. As he delves deeper, he wonders how Kayo's death is intertwined with the recent events in his adult life.

Maomao, a 17-year-old girl, is forcibly taken from her former life and assigned to serve as a low-ranking attendant in an imperial palace. Despite her circumstances, she maintains her curious and pragmatic outlook, planning to make the best of her service until it concludes. When the emperor's twin infants fall gravely ill, Maomao, drawing on her skills as a pharmacist learned in her upbringing in a destitute red-light district, decides to secretly intervene. Despite her efforts to stay anonymous, Maomao's interventions catch the eye of Jinshi, a powerful eunuch who acknowledges her talents. She is then thrust into the emperor's inner circle, where she begins to build a name for herself through her unique approach and medical acumen, solving a variety of health-related puzzles.

Following the death of his parents, high school student Kimihiro Watanuki lives alone and possesses a unique ability to perceive supernatural beings that constantly target him. These spirits relentlessly torment him, and he longs to escape their influence. While fleeing from a group of these entities, he takes refuge in a peculiar shop where he meets Yuuko Ichihara, the shop's mysterious owner, who claims she can grant any wish at a cost. Kimihiro agrees to work for Yuuko to accumulate the payment needed for his wish. Guided by her, he must venture deeper into the world of spirits and the mystical to ultimately break free. Will he be able to navigate the strange and enigmatic experiences that await him?

After World War II ends, Japanese-American veteran Kevin Yamagata creates the successful detective comic "Billy Bat." When it gains popularity, he realizes his hero, Billy Bat, already appeared in a Japanese comic before. Concerned he may have unconsciously copied art from his time in Japan, Kevin travels there to locate the original artist and ask for permission to keep using the character. While investigating Billy Bat's real origins, Kevin uncovers a disturbing chain of murders connected to the character he believed he invented.

A persistent rumor goes around that a magician lives in a tent inside an abandoned amusement park, and some say his performances are genuine. Before every show, he asks the audience, "Do you believe in magic?" Yoon Ah-ee longs for magic but is stuck with a harsh reality. Living in severe poverty, she spends her time studying, working, and taking care of her younger sister while her parents are away. Her faith in magic has faded, much like her cynical classmate Na Il-Deung, who was raised to believe only a solid education matters. Ah-ee’s life changes dramatically when she stumbles upon the abandoned amusement park and meets the magician. "Annarasumanara" delves into a deep journey of self-discovery, mixing philosophy, emotion, and reflection on the true meaning of personal growth.