Now that Yuki has his own fishing equipment his enthusiasm for the past time has increased, but Haru no longer wants to do anything that involves the water. Natsuki’s birthday is coming up and his sister wants to have a family fishing trip but what happens on the water affects everybody.

Duck, has declared martial law on Enoshima and are hunting for Haru and JFX. After a fail attempt by Koko and Haru to stop JFX, Haru becomes the alien villain to save his friends.