Shiro takes everyone to the beach for a day of summer fun. While there, Kuroto encounters a mysterious stranger.

Senko notices Nakano drooling over gratin on TV, and enlists Koenji and Shiro to help her make some. Later, Nakano gets a haircut.

A thick layer of fresh snow provides loads of fun for Senko and Nakano. However, the mood changes when the mysterious stranger returns.