A schoolwide Christmas fashion show is set to take place on December 24. Excited about the event, Momiji realizes that her friend Yunobei would be a perfect model for it. Resolving to knit him a sweater to wear for the show, she quickly gets to work to put it all together. However, working on the project changes Momiji's previously platonic feelings toward Yunobei, complicating things between them as the event slowly approaches.

[Written by MAL Rewrite]