Rui is the leader and boss of a protection organisation that deals with fighting. Rui is a cold and short-tempered man who always gets his way. He's a very aggressive and violent fighter and few people have been able to defeat him in a battle. He has a girlfriend called Miyo. Rui has short strawberry blonde hair that is very fluffy. He has sharp, red eyes with black heart pupils. He wears a black vest, black fingerless gloves, white pants with black sneakers. He has small black horns.