[Oshi no Ko]

Death Note

Death Note is a battle of geniuses fought with a notebook that kills. Light Yagami is a brilliant, bored high schooler who finds a shinigami's dropped notebook: write a name in it while picturing the person's face, and they die. Convinced he can cleanse the world of criminals and rule the new order as a god, Light begins a secret killing spree — until a reclusive, eccentric detective known only as L takes the case, and the two lock into one of fiction's great cat-and-mouse duels, each certain he can outthink the other. Tsugumi Ohba and Takeshi Obata build the whole series on that mind game: bluffs, traps, and gambits where a single deduction can decide everything, all wrapped around a genuinely unsettling question about power and who gets to play god. There's barely any action — the suspense comes from watching two ruthless intellects try to corner each other. Death Note is a complete, tightly plotted manga, and its anime adaptation is a faithful classic. Twisty, dark, and endlessly discussable, it's one of the best entry points into the medium for anyone who loves a smart thriller.

Pandora Hearts

The air of celebration surrounding fifteen-year-old Oz Vessalius’s coming-of-age ceremony quickly turns to horror when he is condemned for a sin about which he knows nothing. He is thrown into an eternal, inescapable prison known as the Abyss from which there is no escape. There, he meets a young girl named Alice, who is not what she seems. Now that the relentless cogs of fate have begun to turn, do they lead only to crushing despair for Oz, or is there some shred of hope for him to grasp on to? (Source: Yen Press) Note: Includes two extra chapters and the pilot one-shot.

Platinum End

As his classmates celebrate their middle school graduation, troubled Mirai is mired in darkness. But his battle is just beginning when he receives some salvation from above in the form of an angel. Now Mirai is pitted against 12 other chosen humans in a battle in which the winner becomes the next god of the world. Mirai has an angel in his corner, but he may need to become a devil to survive. (Source: VIZ Media)

Tokyo Ghoul

Tokyo Ghoul lives in the gap between human and monster, and refuses to let you look away. In a Tokyo secretly stalked by ghouls — beings who look human but survive only by eating human flesh — bookish college student Ken Kaneki goes on the wrong date and wakes up after emergency surgery as something in between: a half-ghoul, cursed with the hunger of a predator and the conscience of the prey he used to be. Sui Ishida's series is body-horror with a philosophical streak, obsessed with identity, belonging, and what a person becomes when survival demands cruelty. Kaneki's slow, agonizing transformation — physical and moral — is one of the genre's great tragic arcs, and the masked, coffee-shop underworld of Tokyo's ghouls gives it a haunting texture all its own. A note for newcomers: the manga is the definitive version — it's dark, complex, and best read in full. The anime adapts the opening stretch and diverges later, so if a scene grabs you, the pages will always take you deeper. Come ready for horror with real weight behind it.

The Promised Neverland

The Promised Neverland turns an idyllic orphanage into a trap and never lets the pressure drop. Emma, Norman, and Ray are the brightest children at Grace Field House, a home that feels like paradise — loving "Mama," warm meals, endless play — until the night they discover the truth about what happens to the kids who get "adopted," and who's really being fed. Escape means outsmarting the one adult who raised them and knows exactly how their minds work. The first arc is a masterclass in tension: a battle of wits between gifted children and their caretaker, every plan countered, every glance a move on the board. Kaiu Shirai and Posuka Demizu build a horror-thriller that rewards paying attention, where survival hinges on nerve and intelligence rather than strength. A tip for newcomers: the manga tells the complete story, and its opening arc in particular is one of the most gripping stretches in modern shonen. The anime's first season adapts that arc superbly — an outstanding entry point. Go in cold and let the orphanage's secret land the way it's meant to.

To Be Hero X

This is a world where heroes are created by people's trust, and the hero who gains the most trust is known as X. In this world, people's trust can be quantified through data, and these values are reflected on everyone's wrist. As long as one gains enough trust points, an ordinary person can possess superpowers and become a superhero who saves the world. However, the constantly changing trust values make the path of a hero full of uncertainties... (Source: Official To Be Hero X home page)

Monster

Monster is a slow-burning psychological thriller with the nerve to ask whether one life is ever worth more than another. Dr. Kenzo Tenma is a brilliant, principled Japanese surgeon in Germany who defies orders to save a critically wounded boy over a wealthy patient — a choice that costs him his career and, years later, confronts him with a horrifying truth: the child he saved has grown into a charming, remorseless serial killer. Tenma sets out to stop the monster he brought back to life, even as the police hunt Tenma himself. Naoki Urasawa constructs it like the finest crime fiction — a sprawling chase across Europe, a cast of ordinary people pulled into the killer's orbit, and a mystery that keeps deepening into questions of nature, guilt, and the value of a human life. There isn't a superpower in sight; the tension comes entirely from character and dread. Monster is a complete, self-contained manga, and its anime adaptation is famously faithful — either is a definitive way to experience it. Mature, patient, and impossible to put down, it's essential reading for anyone who thinks anime and manga can't do grown-up suspense.

Land of the Lustrous

In a world inhabited by crystalline lifeforms called The Lustrous, every unique gem must fight for their way of life against the threat of lunarians who would turn them into decorations. Phosphophyllite, the most fragile and brittle of gems, longs to join the battle. When Phos is instead assigned to complete a natural history of their world, it sounds like a dull and pointless task. But this new job brings Phos into contact with Cinnabar, a gem forced to live in isolation. Can Phos’s seemingly mundane assignment lead both Phos and Cinnabar to the fulfillment they desire? (Source: Kodansha USA) Note: Nominated for the 8th Manga Taisho in 2015.

Gantz

Tokyo teens Kei and Masaru are killed by a subway train but awaken in a room with an ominous black orb that gives them weapons, suits and orders. Fighting bizarre alien monstrosities in a deadly game, will they win their freedom or die for the final time? (Source: Dark Horse)