The Rebellious Librarian’s Record of Unsolved Cases

Attack on Titan

Humanity lives confined within three concentric walls, the last refuge against the Titans: giant humanoids that devour people without apparent reason. For a century, the peace within the walls has seemed unbreakable, and the inhabitants have grown accustomed to a life without threats from the outside. Eren Yeager, along with his adoptive sister Mikasa Ackerman and his friend Armin Arlert, dreams of seeing the world beyond the walls. That routine shatters when a colossal Titan breaches the outer wall of the Shinganshina district, allowing smaller Titans to flood the city. After witnessing the horror of that attack, Eren vows to exterminate every last Titan. His determination drags him and h

Tokyo Ghoul

In the shadows of Tokyo live the ghouls, creatures that look human but feed on human flesh. To combat them, the Commission of Counter Ghoul (CCG) works to purge the city of these hidden predators. Ken Kaneki, a shy university freshman, survives a near-fatal encounter with a ghoul only after receiving an organ transplant from his attacker. The surgery transforms him into a half-human, half-ghoul hybrid, forcing him to navigate a world where he can no longer eat normal food and must consume human flesh to survive. Taken in by the ghouls who run a quiet coffee shop, Kaneki tries to adapt to his new existence. But his unique nature places him at the center of a growing conflict between his new

The Promised Neverland

Emma, Norman and Ray are the brightest children at Grace Field House, an orphanage where they live under the care of a woman they call Mom. Their days are filled with good food, clean clothes, rigorous testsponder, and playtime with the other kids, forming what seems like a happy family. The only rule is that they must never leave the orphanage, but since every child is adopted by the age of twelve, life feels safe and complete. One day, Emma and Norman venture past the gate and uncover the horrifying truth behind their existence: the orphanage is a farm, and the children are being raised as food for demons. Aware that their adoption means deathlain, the two must use their intelligence to d

20th Century Boys

Kenji Endo manages a convenience store and has long since left behind his childhood dreams of becoming a rock musician. His quiet routine is shattered when a friend from his youth dies under mysterious circumstances. The death appears to be connected to a strange cult led by a figure known only as Friend, whose influence is spreading across Japan. As Kenji digs deeper, he discovers that the cult's symbols and ideas come from a story he and his friends invented as children. The group reunites to understand how their childhood games became the blueprint for a dangerous organization. With the turn of the century approaching, they realize that the fate of the world may depend on uncovering the

Monster

Dr. Kenzo Tenma is a brilliant Japanese neurosurgeon working in Germany. When a young boy is brought to his hospital with a critical head wound, Tenma faces a choice: operate on the boy or on the mayor of Düsseldorf, who arrived at the same time. He chooses to save the boy, sacrificing his own career prospects. Soon after, the hospital director and other figures connected to Tenma's professional downfall are murdered. The killings clear his path, but they also point to a terrifying possibility: the boy he saved may be behind them. Years later, Tenma is a successful surgeon when a new string of murders surfaces across Germany. The trail leads back to the child he once rescued, now a young m

[Oshi no Ko]

Gorou Amemiya is a gynecologist in a quiet countryside town, and a devoted fan of the idol Ai Hoshino. His routine is shattered when the pregnant Ai appears at his hospital, seeking a safe delivery away from the public eye. Gorou promises to protect her, but a violent encounter with a mysterious figure cuts his life short. He awakens as Aquamarine Hoshino, the newborn son of his beloved idol. Now living inside the entertainment industry he once admired from afar, he discovers a world of lies, ambition, and hidden cruelty behind the glittering stage. As he grows, Aqua must navigate the dark side of show business while uncovering the truth behind the tragedies that surround his new family.