Iori receives a letter from his little sister back home. Note: This is still a diving anime.

Shiori's here and on a mission! How will Iori handle this situation?

Aina is out of control! But why?

Aina has a spare ticket for the Oumi Women's University Festival, and it causes all sorts of chaos.

Iori and Kohei attend the All-Girls College Festiva, but the girls ask them to help out at the cafe.

After being expelled from college, the boys devise various plans to get back into it.