| HARD |
http://hardsoft.jp/ |
| Harmorise |
http://harmorise.jp/ |
| HARUKAZE |
http://harukaze-soft.com/ |
| Hearts |
http://hearts.amuse-c.jp/ |
| Heat-Soft |
http://www.heat-soft.com/ |
| Hending |
http://www.hendingerg.com/ |
| HexenHaus |
http://hexenhaus-soft.jp/ |
| hibiki works |
http://www.hibiki-site.com/ |
| HOOKSOFT |
http://www.hook-net.jp/ |
| Hulotte |
http://hulotte.jp/ |
| HULOTTE ROI |
http://hulotte.jp/ |
| HuneX |
http://www.hunex.co.jp/ |
| include |
http://crossover-game.jp/include/ |
| inre |
http://inre-soft.com/ |
| integral |
http://integral.sflabo.com/ |
| INTERHEART |
http://www.interheart.co.jp/ |
| INTERHEART glossy |
http://www.interheart.co.jp/entrance |
| KAI |
http://kai-soft.jp/ |
| Kalmia8 |
http://kalmia8.jp/ |
| KarinProject |
http://nexton-net.jp/KarinProject/karinchan/ |
| kate |
http://moresoft-info.jp/ |
| kelp |
https://kelpy.net/ |
| Key |
http://key.visualarts.gr.jp/ |
| Laplacian |
http://laplacian.jp/ |
| Lass Pixy |
http://lass.jp/lasspixy/ |