Rui Kamishiro is a high school student, director of the Wonderland X Showtime musical troupe, and a good-natured genius. Many consider him an eccentric for his unique way of thinking; he lives by his own rules. He uses his talent for inventing in shows or just testing things out at school. For which he often gets punished by teachers and sometimes he involves Tsukasa in this and we have to run from the teachers. At school they are known as the weirdo duo.