At the sea I went to for the first time
The love story never stops!!

As summer vacation approaches, Sena and her friends decide to go to the beach at the suggestion of Himezono, a classmate of Wataya.
Sena's heart keeps pounding as she sees Wataya-senpai's different side♡... But, in fact, Himezono-senpai, who has a crush on Wataya-senpai, is making "some kind of plan" to trap Sena――?!