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...