Kamishiro Rui is a second-year student at Kamiyama High School. He is a member of the musical show unit Wonderlands x Showtime which includes his friends Rui,Nene, and Emu, he is the director of the troupe. Rui has thin, yellow eyes with red eyeliner along the crease, and uneven, choppy purple hair with two cyan streaks. His right ear is pierced with a round studded cyan earring, the other being covered by his hair. His voice is gentle, though it becomes strained when he is excited or curious