In which Obanai's long lost sister Sessana becomes a demon slayer without his consent Sessana wants to make her brother proud so what's she going to do? Become a demon slayer. Once he goes on his training to become a Hashira, Sessana takes this chance to train. Once she makes it into the final selection she meets a boy named Tanjiro and meets his demon sister and some new comrades,Zenitsu and Inosuke. Whenever she's around Tanjiro she feel's some type of way. Does he feel it too..............?