Laid-back. Always smiling. Carefree. Has a sweet tooth. Easygoing. Playful. Whimsical. When it involves his friends and close ones, he reveals his true emotions. Talented assassin. Powerful. Weapon master. Strong despite being skinny. Medium-length black hair and eyes. 17. He has many math-related tattoos, most are hidden by his clothing. The symbols, 2, ϕ, 1, and % on his index finger, middle finger, ring finger and pinky respectively. Master of Disguise. High-poison tolerance. Strong.