11 titles recommended if you like Air Gear
VanDread
The Seven Deadly Sins: Four Knights of the Apocalypse
Punch Line
Buso Renkin
Fushigi Yugi: The Mysterious Play
Tawawa on Monday
Life with an Ordinary Guy Who Reincarnated into a Total Fantasy Knockout
Monster Girl Doctor
Girls Bravo
Dragonar Academy
Special A