Haruta's mother drops in and Maki feels extremely nervous, but Musashi steps in and is a big help to the both of them.

Musashi discovers Haruta and Maki's secret, which tears him up inside.

Choko-sensei shares his life story with Haruta, and Haruta gets to know Maki's father better.

Musashi sends gifts Haruta and Maki vouches to an onsen, and Choko and Kiku coincidentally end up going to the same place.

Haruta and Maki decide to hold a wedding on Valentine's Day, and the two of them get busy planning the event.

When Chizu suddenly falls ill, Haruta and Maki must take on the responsibility of caring for Chizu's son.

The group throws a dinner party for Musashi. As a result, Haruta discovers a disk that Musashi had left for him.

Musashi's prognosis is finally revealed, and Haruta has some new ideas about his career prospects.