| Itsu made mo Musuko no Mama ja Irarenai! 6 | r92473 | 2026-05-14 |
| Itsu made mo Musuko no Mama ja Irarenai! 6 | r120712 | 2026-04-21 |
| Itsu made mo Musuko no Mama ja Irarenai! Series Zen 6 Sakuhin Shuuroku - Permanent Edition | r81428 | 2026-05-15 |
| Itsu made mo Musuko no Mama ja Irarenai! ~Sewazuki Aoi-kaa-san no Muchimuchi Oppai ni Amaete Ippai Shasei Shitai!~ | r116445 | 2026-05-14 |
| Itsu made mo Ore wa Mama ni Koishiteru! ~Ii yo, Mama ni Amaete, Oppai de Ippai Osewa Shite Ageru♪~ | r116877 | 2026-05-14 |
| Itsu made mo Ore wa Mama ni Koishiteru! ~Ii yo, Mama ni Amaete, Oppai de Ippai Osewa Shite Ageru♪~ | r88165 | 2026-05-13 |
| Itsu made mo Ore wa Mama ni Koishiteru! ~Ii yo, Mama ni Amaete, Oppai de Ippai Osewa Shite Ageru♪~ Trial Edition | r53322 | 2026-05-15 |
| Itsu no Ma ni ka Kanojo wa... - Package Edition | r7169 | 2026-05-15 |
| Itsu no Ma ni ka Mucchimuchi Datta Imouto to Guchogucho | r48712 | 2026-05-16 |
| ItsuMasho | r114697 | 2026-04-21 |
| Itsudatsu Ai ~Ore ni Yarasero~ Package Edition | r6294 | 2026-05-11 |
| Itsudemo Seikou!? Idol Gakuen! - Download Edition | r36238 | 2026-05-08 |
| Itsudemo Seikou!? Idol Gakuen! - Package Edition | r36944 | 2026-05-11 |
| Itsudemo Tanezuke! Ishuzoku Haramase Harem Mura - Download Edition | r72736 | 2026-05-15 |
| Itsuka Dokoka de - Voice Patch | r99924 | 2026-05-09 |
| Itsuka Dokoka de. - 5-inch Edition | r17684 | 2026-05-10 |
| Itsuka Mita Mermaid | r22449 | 2026-05-08 |
| Itsuka Mita Mermaid - DVDPG | r22453 | 2026-05-07 |
| Itsuka Tenma no Kuro Usagi Portable - Regular Edition | r17311 | 2026-05-15 |
| Itsuka Yumemita Fuukei de - Trial Edition | r135446 | 2026-05-15 |
| Itsuka Yumemita Fuukei de in the Beautiful chaos | r135445 | 2026-05-16 |
| Itsuka no Memorajxo ~Kotonoha Amrilato~ Game DL Code Publication Edition | r60228 | 2026-05-15 |
| Itsuka, Dokoka de ~Ano Amaoto no Kioku~ | r6296 | 2026-05-15 |
| Itsuka, Kasanariau Ashita e Sayuri Hen | r37184 | 2026-05-14 |
| Itsuka, Todoku, Ano Sora ni. ~You no Michi to Hi no Tasogare to~ Limited Edition | r235 | 2026-05-06 |
| Itsumama 2 | r87217 | 2026-05-08 |
| Itsumama 2 | r111945 | 2026-04-21 |
| Itsumama 3 | r111946 | 2026-04-21 |
| Itsutsugo -Lovely Quintuplets- Download Edition | r5635 | 2026-05-15 |
| Itsutsugo -Lovely Quintuplets- Package Edition | r5634 | 2026-05-15 |
| Itsuwari no Alkanet - Common route | r26744 | 2026-05-16 |
| Itsuwari no Alkanet - Kazuki's route | r48040 | 2026-05-11 |
| Itsuwari no Alkanet - Sakae's route | r48039 | 2026-05-13 |
| Itsuwari ~Ingyaku no Bijin Shimai~ Download Edition | r8048 | 2026-05-07 |
| Iudex Inquisitor | r125702 | 2026-05-14 |
| Iveri: The 1.000 Story | r70194 | 2026-05-13 |
| Iveri: The 1.000 Story | r83903 | 2026-05-13 |
| Ivory | r95225 | 2026-05-14 |
| Ivory Breeze - Build 2 | r124080 | 2026-04-21 |
| Ivy | r36534 | 2026-04-21 |
| Ivy and Blue | r92136 | 2026-04-21 |
| Ivy. | r128867 | 2026-04-21 |
| Iwaihime | r104212 | 2026-05-14 |
| Iwaihime | r113547 | 2026-05-07 |
| Iwaihime - Download Edition | r41108 | 2026-05-14 |
| Iwaihime -Matsuri- Web Trial Edition | r89679 | 2026-05-07 |
| Iwakura Aria | r130091 | 2026-05-06 |
| Iwakura Aria - Download Edition | r121535 | 2026-05-13 |
| Iwakura Aria - Limited Edition | r119966 | 2026-05-11 |
| IxSHE | r120233 | 2026-05-14 |