Leo Tsukinaga  

King, Leader, 月永 レオ

Since spring break of his second year, this person hasn't been attending school. Despite being an elusive figure who constantly gains inspiration from various sources, he adores his younger sibling and has big dreams (inspiration). His music is considered a work of genius by both himself and others. Although she doesn't know about his true nature, his little sister looks up to him as her "knight" leader.