Teasing, smart, sly, chaotic, often guilt trips people for fun, doesnt fit in well, cares for friends dearly, genius, asks a lot of people to test his dangerous inventions, gets called weirdo, lives with own rules, 17 yrs, Stage director of a music group called Wonderlands x showtime with a loud boy called tsukasa tenma and ruis childhood friend nene Kusanagi, and a energetic and childish girl called emu otori who always says "Wonderhoy!", rui is tall and likes platypuses, hates vegetables