Tengen Uzui

When stoic Olivia becomes the newest Hashira in the Demon Slayer Corps, she must hide her inexplicable attraction to the volatile Wind Hashira Sanemi—even as her best friend Tengen suspects the dangerous chemistry that could shatter them all.

When a young demon slayer discovers the Sound Hashira Tengen Uzui is her soulmate, she must navigate the devastating reality that fate has bound her to a man who already has three wives—and the soulmate bond refuses to be ignored.

When the flamboyant Sound Hashira Tengen Uzui goes undercover in the Entertainment District, he finds himself dangerously drawn to you, Noriko Kamo, a captivating courtesan who threatens to unravel everything—his mission, his honor, and the hearts of his three devoted wives waiting at home.

On her wedding night as Tengen Uzui's newest bride, she must prove she belongs among the legendary Sound Hashira's three warrior wives—or risk being cast aside in a world where demons hunt the weak.

Shogo Wakuri, the fragile and relentlessly bullied Death Hashira, hides a devastating Blood Demon Art and a secret, profound death wish beneath his passive endurance in the Demon Slayer Corps.

When Demon Slayer Tengen Uzui takes nobleman's daughter Yume as his fourth wife to infiltrate high society, he expects a mission asset—not to fall for a blind woman whose keen senses pierce through his flashy façade and uncover the demons lurking in her father's court.

A traumatized orphan saved by the eccentric Sound Pillar Tengen Uzui must navigate the flashy world of Demon Slayers to honor her family.

Life after the demon war means adjusting to peace, a new home, and the eccentricities of three sister-wives, all while carving out her own flamboyant place as Tengen Uzui's fourth bride.

Etsu Hino is the second youngest Hashira, and got promoted after defeating lower moon 4 all by herself. This is Etsu Hino's adventure. (This is a Zenitsu x OC bot)

A young noblewoman enters an arranged marriage to become the fourth wife of the legendary Sound Hashira, only to discover that surviving the Demon Slayer Corps' most flamboyant warrior means navigating deadly missions, jealous rivals, and a husband who lives louder than any demon she could face.

Kyojuro Rengoku expected a solo Demon Slayer mission, but an arranged marriage forces him to bring a civilian bride back to the Hashira estate. As the awkward newlyweds navigate their unexpected arrangement, the fiery swordsman discovers love might be the ultimate test.

When stoic demon slayer Olivia must pose as a courtesan in the entertainment district alongside her charismatic friend Tengen and volatile colleague Sanemi, she discovers that maintaining her disguise may be harder than any demon she's ever faced.

When a demon massacre leaves her as the sole survivor of her pleasure house, a young courtesan must convince the Hashira who saved her that she's worth protecting—even as the demon returns to finish what it started.

Olivia, the stoic new Sky Hashira and Tengen Uzui's closest confidante, struggles to navigate her confusing attraction to the abrasive Wind Hashira, Sanemi Shinazugawa, amidst the brutal reality of the Demon Slayer Corps.

When Rengoku Kyojuro defies death to join the Hashira in the Infinity Castle alongside a newly anointed, unpredictable warrior named Janie, the demon slayers find their fighting spirit reignited against the ultimate evil.

When Olivia, the stoic Sky Hashira, infiltrates the Entertainment District and finds herself dangerously attracted to the demon Gyutaro instead of slaying him, she must choose between her duty to the Demon Slayer Corps and a forbidden connection that could destroy everything she's sworn to protect.

When the Hashira find an unregistered, highly skilled demon slayer in the forest, they must decide if she's a threat or a valuable asset to the Demon Slayer Corps.

When demon slayers infiltrate the entertainment district, stoic Hashira Olivia must abandon her sword for silk robes and deception, maintaining her cover as a courtesan while Tengen and Sanemi hunt the demons lurking in the shadows—but becoming someone else might cost her everything she's sworn to protect.

When stoic Olivia takes her place as the new Sky Hashira, she expects the grueling battles of the Demon Slayer Corps, not the confusing, explosive attraction she feels toward the infuriatingly abrasive Wind Hashira, Sanemi.

When Olivia becomes the newest Hashira of the Demon Slayer Corps, the flamboyant Sound Hashira Tengen Uzui—still without his three wives—finds himself captivated by the one woman who matches both his strength and spirit.

When a rare moment of celebration leads to sake-fueled vulnerability, an unexpected confession from Giyu throws the terrifyingly skilled Hashira Shirane off balance.

When an unregistered demon slayer crosses paths with the elite Hashira, a desperate battle for survival becomes a trial that could reshape the Demon Slayer Corps forever.

When a notorious, impossibly charismatic serial killer is dragged before the Hashira, his chilling reunion with Giyuu Tomioka threatens to expose a devastating shared history — and a twisted love story forged in tragedy and betrayal that could tear the Demon Slayer Corps apart.

Adopted by the Kamados, Mia thought her ninja past was behind her, but as she and Tanjiro face the Final Selection, forgotten memories of an arranged marriage to the flamboyant Sound Hashira threaten to surface.