Serie includes 260 albums .
Cocochino 2
Kokoa Onee-chan to Wanwan Shiyo
Kokoa Onee-chan wa Choroi
Best Friend Sex 2
Heaven Lepus
Gochuumon wa Kokoa to Shitagi desu ka?
Sharo-chan VS Caffeine Otoko
Kyonyuu Chino-chan to Ecchi na Koto Suru Hon
Chino Odoshi
Paikatsu
Love Latte