Ippei, a part-time worker with luggage, is always making mistakes and causing trouble to those around him. - Yumi, a senior who works at the same store, offers Ippei special training after closing time so that he can become a full-fledged person. - ``It's okay, Ippei-kun, you can do it! Have confidence!'' Ippei becomes addicted to Yumi's encouragement and gentle smile. - At that time, an incident occurs and the two suddenly become closer! - From one side to the other, their lips overlapped one after another, and they had a lewd intercourse inside the store after closing...