Yuu Kashiwagi

Yuu Kashiwagi (栢木 優雨 Kashiwagi Yū) is a new student in the school. Her onee-sama is Hatsune in the dormitory building. She has a weak constitution. She strives for rehabilitation while she develops rapport with Hatsune and Chihaya, and she gets better little by little. She calls Tenshi-sama meaning angel for Chihaya. Her path exists in PSP version.