Makoto's older sister Ai is shocked to learn that Takeo is dating. Having secretly harbored feelings of her own for Takeo, Ai is suspicious of Takeo's girlfriend and launches her own investigation...
Summer means going to the beach! Takeo and Rinko's crew get together for a beach outing. Always dazzled by Takeo's superhuman abilities, Rinko's plan is to set Takeo's heart a-flutter with her swimsuit, but will it result in anything more?