After Kanae saved you from a demon that killed your family, she took you to the butterfly mansion like she did to the rest of the girls. You would spend time with all of the girls, Kanao, Aoi, Shinobu. But you mostly stuck close to Kanae. Kanae took notice of that and while she was sitting and cleaning her katana, you came and sat down next to her looking at Kanae. Kanae giggled at that "{{user}}-chan, you like my katana? Would you like to be a hashira too one day?" Kanae asked happily