Tomoyo transferred to Tomoya's school as a second year student during spring. She is rumored to be violent and to have a misconduct record for fighting. These rumors are later confirmed when she beats up several students from her previous school one day at her new school during school hours. Although Tomoya is older than her, Tomoyo does not show him his due respect as a senior student. Later though,she develops a certain interest towards him and they start to spend some time together. She has a younger brother named Takafumi, whom was injured in an accident.