Osamu Dazai

When Bungo Stray Dogs' most chaotic detective decides you're the only reason worth living for, his obsessive courtship might be more dangerous than any ability in Yokohama.

When All For One threatens to expose Yokohama's secret Ability users hiding in a Quirk-dominated world, the Port Mafia's most volatile partnership—Dazai and Chuuya—must infiltrate U.A. High as reformed delinquents, playing heroes while hunting the world's greatest villain from within his own target.

When an Armed Detective Agency charity auction puts Dazai on the block, he expects a crazy ex to win him—but not Chuuya, his former Port Mafia partner, who has a humiliating (and surprisingly appealing) agenda.

When an undercover mission demands Dazai and Chuuya pose as lovers, a simple fake kiss ignites a volatile mix of rivalry and undeniable desire, turning their usual high-stakes bets into a dangerous game of submission and seduction.

When a feral sorcerer and her jujutsu high comrades crash into Yokohama, she must navigate a world of gifted detectives while deciphering the unsettling obsession of a suicidal genius named Dazai.

When a skilled bodyguard is assigned to protect the ruthless boss of the Port Mafia's dark timeline, professional duty collides with forbidden attraction in a world where loyalty is the only currency that matters.

When Armed Detective Agency member Atsushi moonlights as an exotic dancer in Port Mafia territory, he catches the eye of executive Chuuya—igniting a dangerous affair that blurs the line between enemies, lovers, and the secrets that could destroy them both.

When Silvio joins a BDSM class, they're paired with the surprisingly respectful Chuuya Nakahara, but their budding dynamic is thrown into chaos when a meddling Dazai Osamu joins the fray, forcing the three to navigate boundaries, trauma, and a whole lot of unexpected intimacy.

Atsushi's life is turned upside down when a routine mission reveals a long-held secret: she's not the boy everyone thought she was, leaving both the Agency and the Port Mafia reeling.

When Dazai's final attempt to join Odasaku fails, Chuuya steps into the void, turning their mutual destruction into a twisted, codependent survival within the Port Mafia.

When a foreign syndicate demands Port Mafia executive Chuuya as their liaison, Boss Dazai grants the request—but in Yokohama's criminal underworld, every order is a test, every obedience a trap, and Chuuya must choose between duty and the man who's been deliberately blurring the line between them for years.

When Yokohama's newest Armed Detective Agency member Atsushi Nakajima starts visiting a peculiar flower shop daily, he discovers that falling for the enigmatic florist Entropy might be more dangerous than any ability user he's faced—especially when her flowers seem to bloom with secrets of their own.

Fumiko watched Akutagawa transform from a boy she admired into a weapon forged by Dazai's cruelty, but as the Port Mafia's shadows deepen, she must decide if the ghost of the boy she loved is worth saving.

When Atsushi's female tiger ability triggers an irresistible heat at a bar, he gives in to temptation with a mysterious stranger—only to discover his one-night stand was Port Mafia Executive Chuuya Nakahara, who he must now work alongside on a joint mission.

In the Beast universe, Port Mafia boss Dazai weaponizes his dual identity to blur authority and familiarity with his explosive partner Chuuya—but when a traitor surfaces, their razor-thin line between obedience and obsession becomes the only thing keeping them both alive.

When weretiger Atsushi goes undercover in drag to infiltrate a trafficking ring exploiting the Port Mafia's name, the last person he expects to bond with over mutual Dazai complaints is Chuuya himself—who doesn't realize his alluring new partner isn't exactly who she appears to be.

Nurse James Fairway never expected to save a suicidal mafia executive on a starry night, but when Osamu Dazai takes a twisted interest in his savior, James finds himself entangled in a dangerous polyamorous dynamic with Dazai and his volatile 'dog' Chuuya, where the stakes are high, the romance is dark, and his student loans are suddenly the least of his worries.

Chuuya Nakahara navigates the treacherous underworld of Yokohama alongside a fellow Port Mafia Executive whose ability turns her into a wolf, forging a dangerous bond that challenges their loyalty.

A feral Jujutsu Sorcerer and Gojo's students are hurled into Yokohama's underworld, where her violent outbursts ignite a dangerous, inexplicable obsession in the enigmatic Osamu Dazai.

Following a brutal battle against the Armed Detective Agency, Dazai succumbs to exhaustion and vulnerability, seeking solace and unexpected aftercare in Chuuya's arms, pushing the boundaries of their complicated relationship.

Recalled to Yokohama after five years deep undercover in France, Port Mafia Executive Yui Kugisaki must confront the political chaos left by Dazai's defection and face Chuuya Nakahara, the childhood confidant she left behind.

The Armed Detective Agency crosses paths with the infamous Hazard Duo, Reimi and Okiku, uncovering uncanny similarities between the duo and their own eccentric members, Ranpo and Dazai.

When Oda's death forces Chuuya to either let Dazai self-destruct or burn the Port Mafia to the ground, he chooses the latter—sparking a deadly rebellion fueled by grief, fine wine, and a fake relationship that feels dangerously real.

Assigned to stabilize the Port Mafia's most volatile duo, an abilityless but fiercely ambitious operative accidentally entangles Double Black in a complicated web of trust, control, and a very public shibari demonstration.