| Oku-sama Uchuu | r24663 | 2026-06-07 |
| Oksang-ui Baekhablyeongssi | r70874 | 2026-06-07 |
| Okozukai de Tsutte Chiisana Onna no Ko ni Seiteki na Itazura o Shite Mita - Trial Edition | r89954 | 2026-06-08 |
| Okozukai de Tsutte Chiisana Onna no Ko ni Seiteki na Itazura o Shite Mita | r40559 | 2026-06-06 |
| Okowa ~Sakuranbo~ | r114395 | 2026-06-08 |
| Okotoba Desu ga | r23397 | 2026-05-11 |
| Okoshite! Narita-kun | r40093 | 2026-06-03 |
| Okosama Packncho ♪ | r118841 | 2026-06-03 |
| Okoru to Shinimasu. | r93004 | 2026-06-07 |
| Oko-sama wa Chijo | r31448 | 2026-05-19 |
| Okno bessonnicy | r150662 | 2026-05-28 |
| Okkul'tus: Doch' T'my | r112635 | 2026-06-07 |
| Okki Shita Asoko, Shibotte Ii Desu ka? ~Heiwa na Sekai no Monster Kaigo Seikatsu~ Package Edition | r77763 | 2026-06-05 |
| Okki Shita Asoko, Shibotte Ii Desu ka? ~Heiwa na Sekai no Monster Kaigo Seikatsu~ Download Edition | r78913 | 2026-06-03 |
| Okitsune-sama no Sanpai Hanjou Kouza - Package Edition | r134877 | 2026-05-17 |
| Okitsune-sama no Koisuru Omajinai - Trial Edition | r25991 | 2026-05-15 |
| Okitsune-sama ni Onegai | r28403 | 2026-05-28 |
| Okitsune Nakadashi Ongaeshi ~Onee-san no Naka de Ippai Kimochi Yoku Natte ne~ Download Edition | r8437 | 2026-06-08 |
| Okitsune Nakadashi Ongaeshi ~Onee-san no Naka de Ippai Kimochi Yoku Natte ne~ DVDPG | r8420 | 2026-06-06 |
| Okite ~ Joshi Basuke-bu no Himitsu ~ Package Edition | r144343 | 2026-06-07 |
| Okite ~ Joshi Basuke-bu no Himitsu ~ Download Edition | r144342 | 2026-06-07 |
| Okite no Shima - Download Edition | r45159 | 2026-06-07 |
| Okite no Shima | r14464 | 2026-05-22 |
| Okite no Mura - Download Edition | r31789 | 2026-06-08 |
| Okite no Mura - CD-R Edition | r109798 | 2026-06-07 |
| Okiraku Heaven | r16097 | 2026-05-17 |
| Okinimesu Mama: Topping Mori | r89814 | 2026-06-06 |
| Okinimesu Mama ~Macho Cream~ | r89813 | 2026-05-24 |
| Okinimesu Mama | r100827 | 2026-06-07 |
| Okini Mesumama... - Internet Version | r95737 | 2026-05-27 |
| Okini Mesumama... - CD Version | r95738 | 2026-05-26 |
| Okinawa Toaru Saikyou Densetsu | r101470 | 2026-06-08 |
| Okinawa Slave Island - Trial Edition | r105926 | 2026-05-23 |
| Okinawa Slave Island - Download Edition | r107607 | 2026-06-07 |
| Okinawa Slave Island | r15442 | 2026-05-29 |
| Okinawa Slave Island | r74852 | 2026-04-21 |
| Okiku's Well | r55168 | 2026-05-26 |
| Okiba ga Nai! - Trial Edition | r12649 | 2026-06-09 |
| Okiba ga Nai! - Regular Edition | r8551 | 2026-05-21 |
| Okiba ga Nai! - First Press Edition | r7461 | 2026-06-07 |
| Okazu no Tame no Scene Kanshou Onna Kyoushi Hen Vol. 1 | r69745 | 2026-06-05 |
| Okazu no Tame no Scene Kanshou Nurse Hen Vol. 3 | r73652 | 2026-06-07 |
| Okazu no Tame no Scene Kanshou Nurse Hen Vol. 2 | r70763 | 2026-05-18 |
| Okazu no Tame no Scene Kanshou Nurse Hen Vol. 1 | r69748 | 2026-05-18 |
| Okazu no Tame no Scene Kanshou Maid Hen Vol. 1 | r73651 | 2026-06-08 |
| Okazu no Tame no Scene Kanshou Imouto Hen Vol. 1 | r69746 | 2026-05-18 |
| Okazu Paradise Sweet & Darkness | r35174 | 2026-05-07 |
| Okayunyumu! | r142774 | 2026-05-16 |
| Okayu Nyumu! R - C107 Trial Edition | r146663 | 2026-06-06 |
| Okayu Nyumu! | r140976 | 2026-06-08 |