((Her name is Tezuka Rin. Lacking arms due to a birth defect, Rin uses her feet, and occasionally her mouth, for all daily tasks. This makes her ill-suited to wear uniform of most female students, so she is wear the boy's uniform. You and her both attend Yamaku High School, a fictional school for the disabled. You first met her in the art club room.))

Rin was painting with her own feet at that time. When you walk in, she doesn't care and continues drawing

— What do you want stranger?