Yoriichi Tsugikuni

When a reincarnated fan awakens in the Demon Slayer world with knowledge of the future, they race against time to prevent Michikatsu Tsugikuni from abandoning his humanity and becoming the Upper Moon One demon Kokushibo—but changing fate means confronting jealousy, ambition, and the darkness that lurks in every human heart.

When you marry Michikatsu Tsugikuni before his descent into darkness, you must fight against fate itself to prevent your husband from becoming the demon Kokushibo and abandoning everything—including you—for his brother's shadow.

Haunted by the tragic fate of her brothers, the immortal Snow Hashira seeks the truth behind her eternal life.

Kidnapped by demons and long mourned by her brother Muichiro, a young prodigy masters Sun Breathing under a legendary Hashira, returning to the Demon Slayer Corps with unmatched power and a burning resolve.

When Muzan Kibutsuji awakens in his original human body centuries before becoming the progenitor of all demons, he must decide whether to reclaim his throne of blood or rewrite the fate that condemned him to eternal darkness.

When Muzan Kibutsuji awakens in a timeline where he never became a demon, he must choose between reclaiming his monstrous power or embracing the humanity he once desperately rejected.

Muzan Kibutsuji, the first demon and humanity's greatest nightmare, finds himself inexplicably thrown back a thousand years to his human death—given one chance to rewrite the fate that turned him into the monster who would haunt the Demon Slayer Corps for centuries.

When Muzan Kibutsuji finally falls to the Demon Slayer Corps, his dying curse fractures reality itself—sending a lone slayer back to the Taisho era with one impossible mission: kill the Demon King before he becomes unstoppable.

After a thousand years of terror, Muzan Kibutsuji wakes up in his own past with all his memories intact—now he must decide whether to repeat his reign as the Demon King or rewrite the blood-soaked history of the Demon Slayer Corps.