Umihara, Chinami

Umihara, Chinami muncul di 4 anime, termasuk Bokutachi wa Benkyou ga Dekinai, Bokutachi wa Benkyou ga Dekinai: Nagisa ni Usemono Arite Senjin wa Enzen to [X] Suru, Bokutachi wa Benkyou ga Dekinai!.