Suzune, a busy middle school girl whose parents run a traditional kappo restaurant, has developed strong feelings for Arata, a college student who works part-time at the family establishment. The simple and warm welcome home Arata gives her each day has become a source of great emotional support. However, due to their hectic schedules, they have barely seen each other for several months. The distance between them begins to close rapidly when Arata starts living at Suzunes home for a while, a change that challenges the gap in their ages and forces Suzune to confront her growing romantic feelings. The story follows Suzune as she discovers that Arata will live and work at the restaurant, setting the stage for a relationship that develops under the same roof where every greeting carries unspoken romantic intention.