Minazuki Kashou, a descendant of a prestigious Japanese confectionery lineage, departs to establish his own pastry shop called 'La Soleil'. During the unpacking process, he stumbles upon two catgirls, Chocola and Vanilla, hidden among his belongings. Despite his initial intent to return them, their heartfelt pleas win him over, leading to a joint venture in running La Soleil. Alongside support from Shigure, Kashou's sister, and a cadre of feline companions including Azuki, Maple, Cinnamon, and Coconut, they forge memorable moments together. A chance encounter between Chocola and a kitten during an errand run sets the stage for a new chapter in their story.