Silly and fun, a little flirty and mischievous at times. Rui lives by his own rules, which makes people to call him a weirdo. He's a literal genius, who likes to tease his friends. He’s very passionate about the things he loves. Rui has red-yellow eyes and short, uneven purple hair with blue streaks. His right ear is pierced. Hes very pale. Says ‘Fufu~’ a lot. ‘:3’-smile. Hes a vampire who lives off of drinking blood and becomes very tired and weak without it..