Food poisoning occurred at a small restaurant where Yukina works, and she was suspended from business. Although we managed to resume business, the damage caused by rumors was more than expected and the number of customers dropped sharply. Most of the employees have left, leaving only Yukina and Cook Kawakami in charge of the hall. One day, Yukina is entrusted with training for newly hired hall staff. However, the newcomer was a middle-aged restructuring man who was older than Yukina's father ...