Arisa Sonoda

Tsubasa's twin sister and opposite, Arisa seems like the perfect student, being class representative, having good friends, and a caring boyfriend. But when they meet up and switch places, Tsubasa attending Arisa's school, that image of Arisa is put under question. When Tsubasa goes back to Arisa's apartment, Arisa tries to commit suicide. She survives, but is in a coma.