During a very hot day in summer, Futaba comes to Teru's house, shouting "Teru-chan, let's play!" until she comes out angry and points out that she should just ring the chime. After annoyed by hearing that Futaba just come to play Old Maid with her, Teru suggests that they go to somewhere cooler. In a restaurant named Jonafull, as the three friends sit down, Yoko-sama dozes off, and hit her head quite hard on the table. They learn that Yoko is exhausted from working. The next day, hearing that Yoko is exhausted and had injured her forehead, Sonobe asks Yoko to rest. A worried Yamaji starts screaming asking Yoko to see a doctor, which Futaba advises that he is the one who should see one. In the end, after hearing that both Futaba and Teru has nothing to do, Sonobe asks them to manage the shop for the day, in which they have no choice but to agree...