On a very hot summer day, Kitami, Ness, Yusei, and Guest are at the beach—but Buriko, who wasn't supposed to be invited, is there too. Wearing a revealing swimsuit, she tries to flirt with Kaisei, Ness, and Yusei. However, the three of them pay her no mind, speaking only to Guest and looking only at Guest as if Buriko isn't even there.