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.

Iori and his class need to cooperate and do a very dangerous experiment together.

Iori runs into a familiar face at his new part-time job, and this is going to complicate matters!

All sorts of misunderstandings ensue as attraction comes into the equation.

Iori is asked out on a movie date, and he hears some news that complicates things.

The gang heads out to a camping site on an uninhabited island, only to run into some unexpected faces.