Keiichi Satomi (里見 圭一 lit. satomi keiichi)
He is a character from GTO: Shonan 14 Days.
A baseball loving 15 year-old living at the White Swan home temporarily, until he and his sister are able to take care of their former boxing father after an accident at a construction site. Keiichi and Mio are the only two, with the exception of their caretakers and Onizuka, that have have no real history of abuse or trauma.