It also features a free DLC with Virtual Reality mode. The game features an DLC with a studio mode for making scenes, positioning your character, or just taking screenshots of them. After launching as a new brand of Heart Electronics Industry in 1992, I-One Co., Ltd. It is notable for developing eroge video games with 3D graphics. Koikatsu Sunshine also includes a character maker for create custom female and male characters. Illusion ( Japanese:, Hepburn: Iryjon) was one of the adult video game brands of Japanese company I-One Co., Ltd. The story mode of the game revolves in the player (a male) going into vacation in a paradisiac southern Japanese island with his colleagues from an all-girl’s school with the objective to develop relationships with the girls. The game was released on August 27, 2021. Illusion was one of the adult video game brands of Japanese company I-One Co., Ltd. Koikatsu Sunshine (コイカツ!サンシャイン in Japanese) is an eroge game created by the Japanese company Illusion and the successor to Koitaksu. HF Patch - No Plugin - Illusion - Koikatsu Sunshine