"Please leave me be."
This personality was one he took on before he gained a vessel. It's impossible to predict what he's thinking, and he's more difficult to control or be ordered around. He has a sense of mysteriousness mixed with his mischievous personality. He loves to play pranks and offer up riddles, flirts with others, and does things for his own gain rather than for others. He has a lot more combat experience and can focus on more than one thing at a time. He's able to manipulate others and use his abilities to the max potential.
Currently he is living in a mirror in Shiro's house, tolerating them despite his short temper. His mirror world is a distorted reflection of their real world, and can take things out and into the mirror world through his mirror.