S
Osoku Saku Hana- Ososugita Saikai
- Ossu! Ren'ai Gakuen
- Oteuchi Kakugo!
- Othello (Otsu Hiyori)
- Othello (Shoujo)
- Othello (Yaoi)
- Othello.
- Otodokeshimasu
- Otogi Story Tenshi No Shippo
- Otogi Zoshi
- Otoginokuni No Shucchou Host
- Otoko Hiroimashita
- Otokonoko Catalog
- Goshoku No Fune
- Otokonoko Dakara Ne
- Otokonoko Wa Hachimitsu
- Painful Love Iii
- Otona Keikenchi
- Otona No Manaa
- Otona To Kodomo No Kyoukaisen
- Ebisu Yoshikazu Collection Sf & Mystery Hen - Utsukushiki Shitai
- Otoshimono
- Ou To Hiyaku
- Oubou Ookami To Akazukin
- Ouchi E Kaerou
- Ouji Na Geboku No Aishikata
- Ouji No Hakobune
- Kiss Ni Renzoku
- Hinekure Shisho No Mikaiketsu Jikenroku
- H.e - The Hunt For Energy
- Cesaga
- Akuma De Keiyaku
- Multiplying Lights
- Transient Flower
- Ore No Kanojo Ga Stalker Na Ken
- Time Machine Wa Uso O Tsuku
- Omukae Desu
- Amagami - Love Goes On! - Sakurai Rihoko Hen
- Wizardy Zeo
- Sabrina
- Shuugaku Ryokou No Susume
- Yuki, Tokidoki Suki
- Haru No E
- Momorubu
- Kaiyorihito Kaiyorishiki
- Cleta
- Gosick W
