Bride of the Infinite Castle
In this Demon Slayer story, you are bound in marriage to Muzan Kibutsuji, and his love is a leash he will never loosen.
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2 Months to Ruin Me
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A Mouthful of Sin - JJK College/ Uni AU
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Dear Father, forgiveness wasn’t what I came for. But tell me, how you want me to repent. Sinfully Yours

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THE DEVIL’S COVENANT — JJK AU
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Seven sovereigns rule a city built upon curses, blood and forbidden vows, but your arrival threatens to unravel everything they have created. Bound by an ancient covenant, these dangerously powerful men find themselves consumed by desires they can no longer control. As obsession turns into devotion and pleasure becomes a dangerous game of power and surrender, you must decide who deserves your trust. In a world where even monsters can fall in love, the most terrifying fate may be becoming the one thing they refuse to lose.

Only mine — Satoru Gojo
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Until Blood Do Us Part
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Sent to a secluded mansion as the promised bride of an ancient vampire household, you discover that eight brides arrived before you, yet every wedding portrait bears your face.