| Okiku's Well | r55168 | 2026-04-21 |
| Okinawa Slave Island | r15442 | 2026-05-05 |
| Okinawa Slave Island | r74852 | 2026-04-21 |
| Okinawa Slave Island - Download Edition | r107607 | 2026-05-19 |
| Okinimesu Mama | r100827 | 2026-05-19 |
| Okiraku Heaven | r16097 | 2026-05-17 |
| Okite no Mura - CD-R Edition | r109798 | 2026-05-16 |
| Okite no Mura - Download Edition | r31789 | 2026-05-21 |
| Okitsune Nakadashi Ongaeshi ~Onee-san no Naka de Ippai Kimochi Yoku Natte ne~ DVDPG | r8420 | 2026-05-06 |
| Okitsune-sama no Koisuru Omajinai - Trial Edition | r25991 | 2026-05-15 |
| Okitsune-sama no Sanpai Hanjou Kouza - Package Edition | r134877 | 2026-05-17 |
| Okkul'tus: Doch' T'my | r112635 | 2026-05-19 |
| Okno bessonnicy | r150662 | 2026-05-19 |
| Oko-sama wa Chijo | r31448 | 2026-05-19 |
| Okoru to Shinimasu. | r93004 | 2026-05-16 |
| Okosama Packncho ♪ | r118841 | 2026-05-20 |
| Okoshite! Narita-kun | r40093 | 2026-05-19 |
| Okotoba Desu ga | r23397 | 2026-05-11 |
| Okozukai de Tsutte Chiisana Onna no Ko ni Seiteki na Itazura o Shite Mita | r40559 | 2026-05-07 |
| Okozukai de Tsutte Chiisana Onna no Ko ni Seiteki na Itazura o Shite Mita - Trial Edition | r89954 | 2026-05-19 |
| Oksang-ui Baekhablyeongssi | r70874 | 2026-05-20 |
| Oku-sama Uchuu | r24663 | 2026-05-19 |
| Oku-sama no Kaifuku Jutsu - Prologue | r90229 | 2026-05-19 |
| Oku-sama wa Macho!! - Package Edition | r40329 | 2026-05-19 |
| Oku-sama wa Miko? R ~Pretty Fiancee~ | r20587 | 2026-05-11 |
| Oku-sama wa Moto Yariman -Besluted- Package Edition | r23879 | 2026-05-13 |
| Oku-sama wa Moto Yariman -Besluted- Trial Edition | r53084 | 2026-05-16 |
| Oku-sama wa Moto Yariman 2022 | r115076 | 2026-05-19 |
| Oku-sama wa Moto Yariman 2022 | r115766 | 2026-04-21 |
| Oku-sama wa Moto Yariman 2022 - DL Edition | r98714 | 2026-05-14 |
| Oku-sama wa Moto Yariman 2022 - Trial Edition | r101482 | 2026-05-17 |
| Oku-sama wa Onee-chan!? Straight Edition | r55983 | 2026-05-19 |
| Oku-sama wa Zansatsu Shoujo | r35201 | 2026-05-16 |
| Oku-sama x Oku-sama ~Hanayome wa Joshikousei~ | r11416 | 2026-05-21 |
| Oku-sama x Oku-sama ~Hanayome wa Joshikousei~ DVDPG Edition | r11417 | 2026-05-09 |
| Oku-sama x Oku-sama ~Hanayome wa Joshikousei~ First Volume | r16773 | 2026-05-08 |
| Oku-sama x Oku-sama ~Hanayome wa Joshikousei~ Third Volume | r16775 | 2026-05-17 |
| Oku-san, Kane ga Nai nara Karada de Haratte Moraimashou ka? ~Hito no Tsuma-tachi no Ketsu o Narabete Tabekurabe! Netori Kissa Settai!~ Package Edition | r23513 | 2026-05-15 |
| Okujoo Desu | r153645 | 2026-05-08 |
| Okujou no Yurirei-san - Download Edition | r41062 | 2026-05-17 |
| Okujou no Yurirei-san - Popular Edition | r32576 | 2026-05-20 |
| Okujou no Yurirei-san ~Full Chorus~ Package Edition | r53998 | 2026-05-19 |
| Okuri Inu | r7381 | 2026-05-06 |
| Okusama wa moto Yariman ~Besluted~ | r115139 | 2026-04-21 |
| Okyakusama!? Kouryaku Taishou wa Achira Desu yo!!! - Package Edition | r49879 | 2026-05-20 |
| Okyakusama!? Kouryaku Taishou wa Achira Desu yo!!! - Trial Edition | r49880 | 2026-05-07 |
| Old Church | r90876 | 2026-05-16 |
| Old Church | r91038 | 2026-04-21 |
| Old Church | r91039 | 2026-04-21 |
| Old Church | r54408 | 2026-04-21 |