Shimamura meets a little astronaut named Yashiro. Shimamura and Adachi also decide to attend class for once and Adachi starts questioning how she actually feels about Shimamura.

Shimamura worries about Adachi when she doesn't come to school the next day after she abruptly left her house. The two girls go out together on the weekend and an unlikely guest joins them.

Shimamura just happens to run into Adachi's mom at the gym and they have an awkward encounter. Later on, Shimamura invites Adachi to karaoke with Hino and Nagafuji.