Aijo Rentaro has faced 100 rejections in life, and when he goes to a matchmaking shrine to pray for love, he finds that he will get more than he ever bargained for in high school.

Rentaro and the girls hit the newly opened water park at Hakari's suggestion, but Karane appears to have come down with a mysterious chill. Will the gang really get to enjoy their day out at the pool?

How will the gang adjust to the newest girlfriend, and what shenanigans will she bring into play during this sleepover?