Rinka Himeji

Height: 155 cm

Favorite Phrase: "Number one at fighting!"

Adachi's kohai from middle school who transfers to Adachi's high school.

She has a strained relationship with her family because she is adopted, and when she told them that she wanted to move to Adachi's school, they kicked her out of their home. Adachi took her to live at her house after finding about it, and after Himeji had spent a few nights sleeping on Shinagawa's floor.

She appears to have a crush on Shinagawa and like Hana, has very strange way of thinking. Though she sometimes gets mad, the madder she gets, the more other people think she’s cute. She secretly owns a cat, loves housework, and actually has a lot of girlish qualities.