Serie includes 33 albums .
Futari de Himitsu no Hokenshitsu
Etsuraku no Kiiroi Shokushu
Houkago Satsujin Jikenbo
Mokuhyo「Chikyu」
Ero kyōshitsu - BG CP - ansatsu R 18 practice
Happy Merry Christmas Birthday
Synchro Hearts
Himitsu no Omacha Bako
Kare no Hajimete no Aite o Shita Hanashi
Nagisa-chan wa Okigaechuu!!
Teacher's sweet red bunny
