| Oddly Specific | r90588 | 2026-04-21 |
| Oddity | r143584 | 2026-04-21 |
| Oddity | r108963 | 2026-04-21 |
| Odd Love Test | r55861 | 2026-04-21 |
| Odd Guy Meets Odd Farmers - Comedy BL Yaoi Visual Novel | r93883 | 2026-04-21 |
| Odd Guy Meets Odd Farmers | r95558 | 2026-04-21 |
| Odaiji ni - Sample | r36340 | 2026-05-16 |
| Odaiji ni | r35182 | 2026-05-16 |
| OdaStream～悪夢に因われたマリオネット～ パッケージ版 | r53066 | 2026-04-21 |
| OdaStream～悪夢に因われたマリオネット～ ダウンロード版 | r53065 | 2026-04-21 |
| Octpussy - Package Edition | r33309 | 2026-05-09 |
| Octpussy - Download Edition | r17995 | 2026-05-12 |
| OctoberWEEN Special 2018 | r112135 | 2026-04-21 |
| OctoberWEEN Special 2018 | r63182 | 2026-04-21 |
| OctoberWEEN Special 2017 | r112134 | 2026-04-21 |
| OctoberWEEN Special 2017 | r75449 | 2026-04-21 |
| OctoberWEEN | r56553 | 2026-04-21 |
| OctoKuma - Demo | r106544 | 2026-04-21 |
| Octavia's Bible Study | r101403 | 2026-05-15 |
| Ochuugen - DVDPG | r153518 | 2026-05-11 |
| Ochiteiku Wakazuma Maiko ~ Anata Gomennasai. Watashi… Hamerareta no…~ - DVDPG | r91802 | 2026-05-11 |
| Ochiteiku Sei Senshi Lunatic Angels Watashi no Midara na Kokoro, Nozokaretara... Mou Gaman Dekinai...~ Package Edition | r42211 | 2026-05-11 |
| Ochiteiku Sei Senshi Lunatic Angels Watashi no Midara na Kokoro, Nozokaretara... Mou Gaman Dekinai...~ | r116393 | 2026-05-15 |
| Ochite Iku Niizuma ~Gomennasai Anata... Watashi Mou... ...demo, Aishiteru~ | r116259 | 2026-04-21 |
| Ochita Seijo-tachi ~Todokanakatta Inori~ Download Edition | r150860 | 2026-05-12 |
| Ochita Kajitsu ~Ubawareta Koigokoro~ | r93228 | 2026-05-16 |
| Ochiru Hitozuma ~Animation~ | r50741 | 2026-05-16 |
| Ochiru Hitozuma ~Animation~ | r120759 | 2026-04-21 |
| Ochiru Hitozuma | r114735 | 2026-04-21 |
| Ochingin wa Karadabarai - Download Edition | r123758 | 2026-05-15 |
| Ochiba - Falling Leaves - Demo | r62130 | 2026-04-21 |
| Ochi*po Hime no Bouken | r100655 | 2026-05-06 |
| Ochi Yuku Seijo - DVDPG | r38685 | 2026-05-16 |
| Ochi Yuku Seijo | r8618 | 2026-05-16 |
| Ochakai e no Shoutaijou | r72879 | 2026-05-16 |
| Oceanlust: Erotic Descent | r135280 | 2026-04-21 |
| Oceanic Hearts | r48729 | 2026-04-21 |
| Ocean's End | r50453 | 2026-04-21 |
| Ocean Shine | r109934 | 2026-05-14 |
| Ocean Shine | r135856 | 2026-04-21 |
| Ocean Pearls: Kissed by the Sea - Demo | r74371 | 2026-04-21 |
| Ocean Pearls: Kissed By the Sea | r59475 | 2026-04-21 |
| Ocean Blues - Free | r40548 | 2026-04-21 |
| Ocean Blues | r40547 | 2026-05-08 |
| Ocean Avenue v7.0 | r89104 | 2026-04-21 |
| Occultus: The Craving: Chapter 6 R1 | r135355 | 2026-05-15 |
| Occultus: Daughter of Darkness | r110602 | 2026-04-21 |
| Occultus | r53487 | 2026-04-21 |
| Occultist Academy - Chapter 1 | r137391 | 2026-04-21 |
| Occultic;Nine –オカルティック・ナイン- | r54332 | 2026-04-21 |