| Kohaku no Harmonia | r100426 | 2026-05-06 |
| Kohaku no Yume | r89869 | 2026-05-21 |
| Kohaku-iro no Yuigon | r42467 | 2026-05-09 |
| Kohaku-iro no Yuigon (PC-98) | r49484 | 2026-05-19 |
| Kohaku-iro no Yuigon (X68000) | r49453 | 2026-05-19 |
| Kohaku-iro no Yuigon - 3.5-inch Edition | r150676 | 2026-05-16 |
| Kohakuiro no Hunter - Anime Bundled Edition | r70478 | 2026-05-15 |
| Kohakuiro no Hunter - Regular Edition | r70477 | 2026-05-22 |
| Kohana | r89066 | 2026-04-21 |
| Kohana | r90942 | 2026-04-21 |
| Kohana - Google Play Edition | r90943 | 2026-04-21 |
| Kohen | r74526 | 2026-05-17 |
| Kohitsuji Hokaku Keikaku! Sweet Boys Life | r61646 | 2026-05-17 |
| Kohitsuji-tachi no Rakuen | r10788 | 2026-05-19 |
| Koi Awase ~Kyuuchuu Ren'ai Kansatsu Nikki~ | r100420 | 2026-05-19 |
| Koi Doki | r32567 | 2026-05-22 |
| Koi Doki - Trial Edition | r34071 | 2026-05-22 |
| Koi Hai Tunnel | r81415 | 2026-05-22 |
| Koi Hai Tunnel | r81414 | 2026-05-15 |
| Koi Hai Tunnel/Love Tunnel | r105126 | 2026-04-21 |
| Koi Iro After School | r51962 | 2026-05-19 |
| Koi Iro Marriage | r84378 | 2026-05-21 |
| Koi Iro Marriage | r21036 | 2026-05-16 |
| Koi Iro Marriage | r148198 | 2026-05-09 |
| Koi Iro Rabian Doll - Trial Edition | r30847 | 2026-05-10 |
| Koi Mekuri Clover - Recollection Pack | r36201 | 2026-05-13 |
| Koi Mekuri Clover - Trial Edition 2 | r20175 | 2026-05-22 |
| Koi Mekuri Clover Mini Fandisk | r26860 | 2026-05-22 |
| Koi Mekuri Clover ~Itsuka no Kimi e, Yakusoku no Ashita o~ DVDPG | r141431 | 2026-05-22 |
| Koi Musubi | r79761 | 2026-05-18 |
| Koi Musubi - Demo | r50904 | 2026-05-19 |
| Koi Ninja Sengoku Emaki | r80683 | 2026-05-22 |
| Koi Ninja Sengoku Emaki | r19083 | 2026-05-16 |
| Koi Ninja ~Ai to Yokubou no Heian Ranbu~ | r27977 | 2026-05-21 |
| Koi Ninja ◎ Sengoku Emaki ★ | r80660 | 2026-05-22 |
| Koi Ninja ◎ Sengoku Emaki ★ | r80658 | 2026-05-22 |
| Koi Nochi Arashi | r95719 | 2026-05-22 |
| Koi Nochi Arashi - Trial Edition | r97222 | 2026-05-22 |
| Koi Otome - Low Price Edition | r847 | 2026-05-19 |
| Koi Q! ~Koi to H no Midareuchi~ Download Edition | r47747 | 2026-05-21 |
| Koi Saku Miyako ni Ai no Yakusoku o ~Annaffiare~ Package Edition | r26132 | 2026-05-22 |
| Koi Saku Miyako ni Ai no Yakusoku o ~Annaffiare~ Trial Edition | r27549 | 2026-05-16 |
| Koi Sentai Love & Peace the P.S.P. ~Power Zenkai! Special Youso Tenkomori de Portable Ka Daisakusen de Aru!~ Regular Edition | r16327 | 2026-05-22 |
| Koi Shichi Yo - Download Edition | r32689 | 2026-05-22 |
| Koi Shikaru-beki ~Mayoiga kara no Tegami~ - Demo Version | r146640 | 2026-05-17 |
| Koi Shikaru-beki ~Mayoiga kara no Tegami~ - Neko Fuyu Comi | r146641 | 2026-05-22 |
| Koi Shita Ato ni | r110643 | 2026-05-22 |
| Koi Shite Aniken | r38191 | 2026-05-14 |
| Koi Shite Aniken | r38192 | 2026-05-09 |
| Koi Shiteshimatta Hoshi no Ouji | r36504 | 2026-05-07 |