Kaisuke (甲斐), also known as Kai, is a high-ranking member of the Capsule gang, and is good friends with Shotaro Kaneda, and Tetsuo Shima. He acts as the most flamboyant member of the gang. (Link)
Powers and Stats
Tier: 10-A on his own, higher with weapons
Age: 15 years old
Classification: Human, bike gang member
Powers and Abilities: Atheltic physical statistics, good in street combat and bike riding
Speed: Peak Human, Subsonic on his bike
Lifting Strength: Athletic human
Striking Strength: Athlete Class, likely higher with melee weapons
Stamina: Above normal human level
Range: Melee on his own.
Standard Equipment: His bike, melee weapons (like a pipe).
Intelligence: Likely average or above average in terms of planning.
Weaknesses: Normal human weaknesses