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Having an ability to foreseen future events, Y/n is chosen as one of the candidates to be the next Ubuyashiki's leader bride. Make friends with Sakonji Urokodaki's students, they promised to look after of each other until the death of Sabito during Final Selection fade their friendships. She blames her lack of ability and Giyuu blames himself for being too weak. The attempts to save the friendship that they built with Sabito is harder than it seems. Lonely and feels like she was left behind, she encounter a demon in the rain. With his manipulative persona, she eventually fall for him, for a lie and fake happiness he promises. And that lead to the demon's biggest regret. Highest Ranking: [#48 in Kimetsunoyaiba]

As a precious little sister of the great Lord Muzan. You are in a lot of trouble.