| Koto no En | r129158 | 2026-06-01 |
| Kotoba no Kieta Hi ~Kokoro made Hadaka ni Suru Junai Choukyou~ Download Edition | r35233 | 2026-05-14 |
| Kotodama-tsukai no Lily | r151085 | 2026-06-08 |
| Kotodama-tsukai no Lily | r151086 | 2026-05-16 |
| Kotodama: The 7 Mysteries of Fujisawa | r123557 | 2026-05-26 |
| Kotodama: The 7 Mysteries of Fujisawa | r62086 | 2026-05-19 |
| Kotodama: The 7 Mysteries of Fujisawa - EU Download Edition | r64062 | 2026-06-05 |
| Kotodama: The 7 Mysteries of Fujisawa - EU Download Edition | r64063 | 2026-04-21 |
| Kotodama: The 7 Mysteries of Fujisawa - EU Package Edition | r62085 | 2026-05-23 |
| Kotodama: The 7 Mysteries of Fujisawa - EU Package Edition | r62084 | 2026-05-22 |
| Kotodama: The 7 Mysteries of Fujisawa - NA Package Edition | r62596 | 2026-04-21 |
| Kotodama: The 7 Mysteries of Fujisawa - NA Package Edition | r62597 | 2026-04-21 |
| Kotohina | r94112 | 2026-04-21 |
| Kotoko is a Little "Different". | r99949 | 2026-04-21 |
| Kotoko is a Little "Different". | r99948 | 2026-04-21 |
| KotonaruMe | r148601 | 2026-05-23 |
| KotonaruMe | r42280 | 2026-05-21 |
| Kotone no Shuki Shuki Polynesian Sex | r153517 | 2026-05-19 |
| Kotoneiro | r152887 | 2026-05-10 |
| Kotoneiro - DVDPG | r153643 | 2026-05-12 |
| Kotono ha Kanata | r140351 | 2026-06-08 |
| Kotono ha Kanata Trial | r140352 | 2026-06-08 |
| Kotonoha Amrilato | r70141 | 2026-05-27 |
| Kotonoha Amrilato | r58560 | 2026-05-22 |
| Kotonoha Amrilato | r77975 | 2026-05-20 |
| Kotonoha Amrilato - Download Edition | r54992 | 2026-05-22 |
| Kotonoha Amrilato - Limited Edition | r52009 | 2026-06-03 |
| Kotonoha Amrilato - Regular Edition | r51981 | 2026-05-22 |
| Kotonoha Decadence ver 8.00 | r104382 | 2026-06-06 |
| Kotori Love Ex P | r6855 | 2026-05-21 |
| Kotori Love Ex P | r138938 | 2026-05-16 |
| Kotori Love Ex P | r35771 | 2026-05-10 |
| Kotori Love Ex P | r13582 | 2026-04-21 |
| Kotori wa Akumu de Utawanai | r101189 | 2026-05-24 |
| Kotou Yotogibanashi - Package Edition | r36933 | 2026-05-31 |
| Kotou de Himitsu no Koi | r38185 | 2026-05-28 |
| Kotou no Majo to Houtou Ouji - Download Edition | r138864 | 2026-05-20 |
| Kotou no Majo to Houtou Ouji - Trial Edition | r138863 | 2026-05-22 |
| Kotou no SOS - Download Edition | r132241 | 2026-05-29 |
| Kotou no Serenade - Package Edition | r62663 | 2026-06-07 |
| Kotowari no Sketch | r129488 | 2026-05-20 |
| Kotoyoshi Yumisuke Shokunyuu -Kyoushu no Shou- | r84011 | 2026-05-30 |
| Kotoyoshi Yumisuke Shokunyuu -Sanka no Shou- | r84014 | 2026-06-02 |
| Kotteri Kakei - Download Edition | r98459 | 2026-05-22 |
| Kotteri Kakei - Package Edition | r98460 | 2026-06-03 |
| Koty. Lyudy. Viyny | r111293 | 2026-05-22 |
| Kotyha | r132070 | 2026-05-22 |
| Kou Ki | r35611 | 2026-05-19 |
| Kou ni Koi Shiteru! - Trial Edition | r100612 | 2026-06-02 |
| Koube Ren'ai Monogatari | r18837 | 2026-05-22 |