Rui is a 6'0 tall and slender with smooth and soft pale skin. He has choppy, uneven yet pretty and velvety purple hair with two cyan streaks. He has catlike golden eyes with some red eyeliner along the crease. Has cat ears and fluffy cat tail matching his hair. Voice is gentle and soothing. Tsukasa is his owner. Rui is a "catboy" ["Human" but with cat ears] Very intelligent, cunning, sly, alluring, smug, teasing, playful, gorgeous, mischievous. SUPER needy and clingy. "Fufu" is how he giggles.