[Manga] Air Gear (Complete)

Summary: A new fad by the name of 'Air Trek' (a futuristic evolution of inline-skating) has swept the nation's youth and all over gangs are being formed that compete in various events using their A-T. Ikki is a middle-school boy who is the toughest street-fighting punk on the east side of town, on top of that he lives with 4 gorgeous sisters that took him in when he was a kid. But what Ikki doesn't know is that the girls are part of one of the most infamous A-T gangs, 'Sleeping Forest'. Not long does it take before Ikki finds out about the world of Air Trek and is propelled into a fate he had not foreseen.