| Oscillatus Zero EP3;4 | r58896 | 2026-05-07 |
| Oscillatus 零 EP1;2 | r58895 | 2026-04-21 |
| Oshaburi Announcer "Sonna ni Nomasaretara... H Shitakunacchau" | r13490 | 2026-05-15 |
| OshiRabu: No es amor de fan, es amor de verdad | r76971 | 2026-04-21 |
| OshiRabu: Waifus Over Husbandos | r71603 | 2026-04-21 |
| OshiRabu: Waifus Over Husbandos - Adult Patch | r69878 | 2026-04-21 |
| Oshiego Kankin Choukyou Tan ~Kokuin~ Download Edition | r34600 | 2026-05-15 |
| Oshiego no Kyonyuu Seiso Haha ga Akogareno Moto Dokyuseidattanode Oyako NTR-chu Dashi Haramase suru Hanashi - PK Edition | r148935 | 2026-04-24 |
| Oshiego wa Mahou Shoujo ~Chinami ni Ore wa Kyoushi de Kaijin~ Download Edition | r41655 | 2026-05-13 |
| Oshiete Goshujin-sama! | r41605 | 2026-05-15 |
| Oshiete Re: Maid - Memorial Edition | r6864 | 2026-05-10 |
| Oshiete Re: Maid - Trial Edition | r30149 | 2026-05-10 |
| Oshiete Sensei Otoko no Ko Gakuen ~Icha Love! Otoko no Ko Triangle~ | r142785 | 2026-04-21 |
| Oshiete! La la la ♪ Universe ☆彡 | r126271 | 2026-05-15 |
| Oshiete! La la la ♪ Universe ☆彡 Ofuro Scene Tsuika EX Patch | r126272 | 2026-05-15 |
| Oshikake Dousei ☆ Nikushokukei no Kare ni Taberarechau Every Day | r35816 | 2026-05-15 |
| Oshikake Dousei ☆ Nikushokukei no Kare ni Taberarechau Every Day - Trial Edition | r35815 | 2026-05-08 |
| Oshikake Harem Asa kara Gohoushi Paradise - DVDPG | r5233 | 2026-05-06 |
| Oshikake Harem Bed no Ue de Yotogi Magic - DVDPG | r5234 | 2026-05-15 |
| Oshikake Kanojo wa, Ore no Sewa o Shitai | r135379 | 2026-04-21 |
| Oshikake Maid wa Shota de H de Torotoro de ~S-S Shimai no Tamanokoshi Soudatsusen~ Package Edition | r17084 | 2026-05-16 |
| Oshikake Petit Lily | r110334 | 2026-05-14 |
| Oshikake☆Panic - Download Edition | r21196 | 2026-05-07 |
| Oshikatsu Fanatic | r137540 | 2026-05-14 |
| Oshioki JK ~Ore-tachi no Shanai Kyouiku Shidou~ 1 - DVDPG | r36521 | 2026-05-16 |
| Oshioki Sweetie ~Koi Suru Onee-san wa Urahara Desu~ | r3592 | 2026-05-10 |
| Oshioki ~Gakuen Reijou Kousei Keikaku~ Package Edition | r12454 | 2026-05-08 |
| Oshiri Princess ~Koujoku ni Chiru Setsuki Reiki~ | r13368 | 2026-05-07 |
| Oshirikko Venus - Trial Edition | r18429 | 2026-05-07 |
| Osorubeki Shoujotachi ~Les filles terribles~ - Trial Edition | r22425 | 2026-05-05 |
| Osouji Sentai Clean Keeper - Regular Edition | r1424 | 2026-05-08 |
| Osozaki 遅咲き Late Blooming - First | r46630 | 2026-04-21 |
| Ospesjel | r106304 | 2026-04-21 |
| Ostara 2018 | r62673 | 2026-04-21 |
| Ostrov D'javola v3.0 | r140160 | 2026-05-10 |
| Osu Choukyou Gakuen | r40433 | 2026-05-09 |
| Osu Mesu Time Slip! | r34358 | 2026-04-21 |
| Osu Mesu ☆ Love Kiss Gou Mori Twin Pack | r32799 | 2026-05-15 |
| Osu Mesu ☆ Time Slip! | r12033 | 2026-05-07 |
| Osu-Boys!! ~Ikemen Ryoujoku ☆ Paradise~ | r73777 | 2026-05-13 |
| Osu-Boys!! ~Ikemen Ryoujoku ☆ Paradise~ | r65948 | 2026-05-11 |
| Ot vsego serdca | r63652 | 2026-05-10 |
| OtaMaid Mai | r67132 | 2026-05-16 |
| OtaMaid Mai | r67133 | 2026-04-21 |
| OtaMaid ~Kanzenban~ | r118799 | 2026-04-21 |
| Otaku to Musume-san - Download Edition | r37756 | 2026-05-09 |
| Otaku's Fantasy | r54031 | 2026-04-21 |
| Otaku's Fantasy - Uncensored Patch | r54069 | 2026-04-21 |
| Otaku's Fantasy 2 | r63520 | 2026-04-21 |
| Otaku's Fantasy 2 Uncensored Patch | r67470 | 2026-04-21 |