Koharu gets frustrated by Hiyori trying to help her so much as she's fishing and Koi celebrates her sixteenth birthday.

The girls go fishing on Ichika's boat and invite Futaba to come with them. Later, they all enjoy a nice meal at Hiyori and Koharu's house.

The girls go on a boat to try to catch some dorados for the first time and meet one of Ichika's friends.

The girls work on summer homework and Futaba comes over. She's nervous about telling her friend that she likes fishing, so they come up with a plan to see if she should tell her friend or not. Later on, the girls go fly fishing at a mountain stream.

All of the girls finally go on their autumn fishing and camping trip, and Koi thinks back on the past.

Koharu's birthday is coming up and the girls try to figure out what to get her. Meanwhile, the girls learn how to tie some flies.