Koikatsu party is an h-game developed by the japanese game developer company illusion.Players create their own adorable anime character using a robust suite of intuitive and precise tools.Give her …This game is basically a free demo of koikatsu party.Try checking it out if you are hungry for more.What difference between koikatu, koikatsu party and koikatsu sunshine i'm new to this illusion games so i have koikatu jp but i don't know anything about the other two.Can someone explain?