Junya Sakaguchi

Second year at Kurokado Private High School and classmate of Fumi and Kyutarou. A flashy guy who wears branded items. Previously quit club activities and started hanging out with some bad guys in the old campus building. Upon first meeting Fumi invites her to karaoke with his friends. After the incident in the old campus the 'parasites' come after him, feeding on his negative emotions.