Serie includes 31 albums .
chia ibu ga ganbaru
Enkou Shitemo Zettai Daijoubu da yo! ...ne?
abrasion
PRISM LIGHT
Shigokuiro Rendezvous
Boku no Kanojo o Shoukai Shimasu
Metsubou Confuse
Boku no Kanojo wo Shoukai Shimasu
Enkou Suru nante Arienaishi! Gekiatsu Majiyaba Sex