What is Christmas? What’s a date? What is it, exactly, Adachi really wants from Shimamura? Adachi doesn’t know, aside from the basics, and this is an episode in which that basic understanding is reinforced. Also, Adachi and Shimamura go on a Christmas date!
After getting the day off work, Adachi asks Hino what Shimamura likes, and she vaguely remembers something about fragrant tea, so they go shopping together. It’s the first time she hangs out one-on-one with Hino, and to their surprise, they spot Shimamura hanging out with Nagafuji.
Both Hino and Adachi feel lonely and a little jealous that their respective Number Ones would be alone with someone else, but as Adachi tells herself that night, it’s nothing to get so upset about. Nevertheless, she can’t help but pump herself up for a Christmas to Remember, even if she suspects unforgettable memories won’t be made just because it’s Christmas.
Adachi makes the adorable choice of wearing her work dress to the date, since Shimamura thought she looked cute in it. She wants to hurry up and hold her hand, but surprises Shimamura and jams her thumb. Shimamura touches Adachi’s lips and tells her if she wants to hold hands, just ask! So they do.
Off to the arcade they go, trying out air hockey instead of their usual ping pong, and immediately Shimamura’s competitive streak and distaste for losing rears its head, almost going so far as to accuse Adachi of hustling her. They follow that up with some fast food, while talking about what the future holds.
They may end up in different classes next year, but Adachi declares they should just go to class and meet up to hang out after school, like they’re doing now. Shimamura agrees, impressed by what an “honor student” Adachi has become.
Then Adachi gives Shimamura her gift—which was the very tea she wanted to try; good call, Hino!—and Adachi is surprised to learn that not only has Shimamura gotten her a gift in return, but the reason she was with Nagafuji is that they were picking out a gift for her (under the guise of it being for Shimamura’s little sis).
Adachi doesn’t care that the gift is silly—a boomerang and googles—the fact Shimamura gave her a gift is the best gift of all. She tries it out a few times in the park, but can’t quite get the hang of it. It gets colder, and Shimamura suggests they head inside…but Adachi realizes This Is Her Chance—and she may not get a better one—to tell Shimamura How She Feels.
She gets close—oh so close—to saying she likes her, a lot, but instead settles for something more cowardl-err, more pragmatic: she doesn’t just want to be friends, she wants to be Best Friends. Shimamura doesn’t quite get it, but salutes Adachi’s “ambition”.
So nothing truly dramatic happens just because it’s Chrismas…but I highly doubt Adachi will soon forget her memories of her date with Shimamura. It just comes down to whether best-friendship is all she wants. It seems to be for now; we’ll see if that remains true further down the road.