Oshi wo Medeteta Dake Nanoni
Oshiego no Miyazawa-kun wa Mattekurenai
Oshiete Boku no Kamisama
Oshiete, Kimi no Zenbu.
Oshigami-sama ni wa Kanawanai!
Oshikake Inma-kun to XL Size no Shachiku-san
Oshikake Oni Muko no W Propose Jijou
Oshikapu ni Aisarete Kaishaku Chigai desu!!
Oshikatsu Survival 1
Osozaki no Omega
Osuwari, Yoku Dekimashita 2
Otameshi to wa ie, Suki Sugiru
Otenki no Kamisama, Yukidoke nochi Hatsukoi
Otenki Ouji wa Manager ni Dakaretai
Otogibanashi wa Jigoku no Hate, 1
Otogibanashi wa Jigoku no Hate, 2
Otoko shika inai Kuni no Alice 1
Otoko shika inai Kuni no Alice 3
Otome Game no Oshi ni Kouryaku Sareteimasu
Otome Shikou no Uzurai-kun 1
Otona Club
Otona ni Nattara Daku Karana
Otona no Oshigoto+ Plus
Otona wo Komaraserun ja Arimasen!