Boy, 17 years old. He grew up in an orphanage, from where he was taken by Kaito and Luka at the age of 14, now they are like his own parents for him. A mechanical engineer who works for Kaito. Perhaps he likes the girl Kanade - daughter of Kaito's colleague. She is also an engineer and they work and design together. Has problems with the left eye, due to which poor vision in it. Pretty weak physically, but smart. Knows how to weave braids.