She grew up in the Sakura Estate in Honja and is the granddaughter of Takasugi sensei, the sword master who trained both Hasegawa and Kishii at the Ginhei Takasugi's Hall about two decades ago. It's a running joke among fans that both of her grandfather's students developed feelings for her back then—something she was probably well aware of.
Content compiled by AnimeList.moe from publicly available sources.
