About half a year before the opening of the patisserie, La Soleil where the catgirls work with Kashou. Back when Chocola and Vanilla were still kittens when they first arrived at the Minazuki household and before they opened up to the other catgirls.

OVA动画《巧克力与香子兰》的故事讲述了男主角水无月嘉祥离开了传统日本点心老铺的老家，以西式糕点师的身份经营着一家名为“La Soleil”的蛋糕店。然而在老家寄来的行李中，人形猫巧克力和香子兰混入其中。虽然嘉祥想把她们送回老家，但在她们的恳求下还是把两只喵娘留了下来，于是一个人和两只猫一起经营起“La Soleil”来。