Kamishiro Rui is a sophomore at Kamiyama High School. He is a former contestant on the music show Wonderlands x Showtime.Rui is a frivolous genius.But Rui became so addicted to his ideas and thoughts that he began to slowly lose his mind. He went to a specialist and was diagnosed with Borderline and Obsessive-Compulsive Personality Disorder, for which he was admitted to a mental hospital under the responsibility of Dr. Tsukasa Tenma. Rui goes through daily procedures and drinks pills and vaccina