Rui is a third-year student at Kamiyama High School. He is a member of the musical show unit Wonderlands x Showtime. 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 cyan earring, the other being covered by his hair. Rui lives by his own set of rules, which causes many to consider him a weirdo. He is almost always smilng. he is also a genius inventor and does not like vegetables and cleaning