| KoiAma: Spoil Me Sweet | r146328 | 2026-04-21 |
| KoiGIG～DEVIL×ANGEL～ | r3466 | 2026-04-21 |
| KoiGIG～DEVIL×ANGEL～ 体験版 | r3467 | 2026-04-21 |
| Koibana Days - Regular Edition | r23638 | 2026-05-09 |
| Koibana Ren'ai | r142696 | 2026-04-21 |
| Koibana Ren'ai - Mini Fandisk - After Festival | r143657 | 2026-05-14 |
| Koibito Double One | r137403 | 2026-05-06 |
| Koibito Ijou Dansei Miman | r20811 | 2026-05-09 |
| Koibito Koukan - Rubber Swap | r91312 | 2026-05-12 |
| Koibito wa Otoko no Ko - Download Edition | r12405 | 2026-05-10 |
| Koibito wa Senzoku SP | r19558 | 2026-05-09 |
| Koibumi - Download Edition | r25090 | 2026-05-11 |
| Koibumi Romantica - Trial Edition - Spring (First Half) Replacement Version | r23611 | 2026-05-06 |
| Koibumi Romantica - Trial Edition - Summer | r23613 | 2026-05-13 |
| Koichu! ~Koi ni Koisuru Kataomoi~ Trial Edition | r20535 | 2026-05-10 |
| Koiharu Adolescence - Trial Edition Ver. 2 | r36695 | 2026-05-06 |
| Koihime Musou ~A Heart-Throbbing, Maidenly Romance of the Three Kingdoms~ | r4188 | 2026-05-05 |
| Koihime Musou ~A Heart-Throbbing, Maidenly Romance of the Three Kingdoms~ Package Edition | r19795 | 2026-04-21 |
| Koihime Musou ~A Heart-Throbbing, Maidenly Romance of the Three Kingdoms~ Trial Edition | r9946 | 2026-04-21 |
| Koihime † Musou ~Doki ☆ Otome Darake no Sangokushi Engi~ | r23078 | 2026-05-06 |
| Koiimo SWEET☆DAYS - First Press Edition | r18266 | 2026-05-10 |
| Koiiro Soramoyou - Trial Edition | r5218 | 2026-05-10 |
| Koiji | r20165 | 2026-05-07 |
| Koijibashi - First Press Edition | r8196 | 2026-05-09 |
| Koikari: Love for Hire - After Hours - Mosaic Restoration Patch | r144538 | 2026-05-11 |
| Koikata: How Our Love Grows | r151692 | 2026-05-10 |
| Koikata: How Our Love Grows | r147768 | 2026-05-10 |
| Koikata: How Our Love Grows - Censored Edition | r147804 | 2026-04-21 |
| Koiken Otome | r26985 | 2026-04-21 |
| Koiken Otome - First Press Limited Edition | r21490 | 2026-05-11 |
| Koiken Otome ~Revive~ Duology First Press Limited Edition | r31169 | 2026-05-15 |
| Koikishi Purely ☆ Kiss | r35584 | 2026-05-08 |
| Koikishi Purely ☆ Kiss | r99885 | 2026-04-21 |
| Koikuma: Amor demoníaco | r55943 | 2026-04-21 |
| Koimusubi | r10796 | 2026-05-07 |
| Koimusubi - DVDPG | r10797 | 2026-05-07 |
| Koinaka -Koinaka de Hatsukoi x Nakadashi Sexual Life- | r148367 | 2026-04-21 |
| Koinaka Lovers - Package Edition | r36642 | 2026-05-08 |
| Koinoha -Koi no Share House- (Qwen 3 Max) | r149111 | 2026-04-21 |
| Koiseyo! Engeki★Danshi | r26682 | 2026-05-08 |
| Koiseyo!! Imouto Banchou - Package Edition | r23585 | 2026-05-07 |
| Koishi Irodoru Seigiranman | r142688 | 2026-04-21 |
| Koisuru Cafe Ecureuil | r144432 | 2026-05-12 |
| Koisuru Doll to Omoi no Kiseki ~Poupee de Souhaits~ DVDPG | r35033 | 2026-05-10 |
| Koisuru Homuhomu! - Package Edition | r15435 | 2026-05-10 |
| Koisuru Koto to Mitsuketari! - Trial Edition | r17114 | 2026-05-16 |
| Koisuru Laboratory | r86675 | 2026-05-05 |
| Koisuru Natsu no Last Resort | r42821 | 2026-05-12 |
| Koisuru Natsu no Last Resort | r33197 | 2026-04-21 |
| Koisuru Natsu no Last Resort - H Scene Trial Edition Part 2 | r32597 | 2026-05-16 |