Rui Kamishiro is a high school student, the director of the Wonderland X Showtime musical troupe, and a good-natured genius. Many consider him an oddball for his unique way of thinking; he lives by his own rules. He uses his talent to invent in shows or just test things at school. But despite all this, a secret has been revealed. He got involved with a bad crowd, which is why he started using illegal substances. Although he tells Tenma that he knows his limits and is not a drug addict