Part A: After the five have discussed some embarrassing details of the physical check-up, they settle on a competitive volleyball match. The losing team has to fight for the most popular lunch items in the school cafeteria.

Part B: The five go on a picnic where they decide to play Frisbee before the meal. Io sits apart from the others playing with the many cats that become friendly with him, much to their admiration.

Part A: The five go to the New Year's festival. The following day, they come together at the Inuis' place where their teacher Kikue Sakuragawa, who seems to be Miiko's friend, is also present. They talk about new year's resolutions, play games, and have a meal.

Part B: It's a very cold day. Due to a flu epidemic, more than half the class is absent, school finishes after lunch. Tsumiki and Io appear to have a 'moment' which leaves Io rather confused and flustered.