For their summer independent research project, Komugi and the others go to the beach in Animal Town. They decide to play in the ocean until the sea turtles begin to lay their eggs, when a Garugaru appears.

Mayu begins uploading photos and videos of Yuki to Curesta. When her posts get popular, a friend, Yuma, who she knew from before she changed schools sees her post and comes to Pretty Holic.