Part A: The winter is almost over. The gang divide themselves into two teams and play snowball but Mayoi and Sakaki have some tricks up their sleeves.

Part B: Cooking class. In a different team than Io, Tsumiki takes the opportunity to show him her culinary skills.

Part A: Mayoi buys a bear costume for cheap and decides to put it to use by scaring as many people as she can.

Part B: Mayoi is planning to have a party on Christmas Eve but has to put it off to Christmas Day as Hime and Io promised to work in Hatch Potch. She and Tsumiki also stand in to help Io sell Christmas cakes in front of the shop.