is a member of S4 or Shooting Star Subaru-Sama, but quit afterward and is also a member of the crafts club. She is shown to have considerable leg power which she uses in the form of kicks. She is shown to be a good cook, partly because she lives on her own and has to cook her own meals. She blackmailed Kinjirō, with the picture of him and Subaru on a mock date, to be her boyfriend up until the end of their school fair. Kinjiro accepted because of the condition that she will not spread the photo with Subaru and Kinjiro going out together. However she later becomes friends with Kinjirō and the others and is implied to have developed a crush on Kinjirō. Her name is noted to sound similar to the Japanese word for rabbit which becomes the source of Kinjirō's nickname for her; Usamin, her own nickname for him is "stupid chicken".