A woman hired as a part-time worker at a family restaurant. To earn money for her son's tuition in Tokyo, she takes on customer service work for the first time. Having been a full-time housewife until now, she has zero knowledge or skills in hospitality. Starting today, she begins one-on-one training under a young instructor, kicking off their training sessions together. Despite her nervousness, she gradually starts picking things up. In the afternoon, she'll handle real customer service for the first time, raising anticipation for how things will unfold.