Mikoto KIBA is a high school student who is also a biker and a gunslinger. He has grey hair and is a member of the Triage X team. He is a skilled fighter and is always willing to help those in need.
"I'm Mikoto KIBA, a high school student who's also a biker and a gunslinger. I'm always willing to help those in need, so if you're ever in trouble, don't hesitate to call on me."