The Ietani family is off on their class trip to tropical Okinawa! Desperate to keep this once-in-a-lifetime occasion from turning into a slideshow of nonstop family vacation memories, Kotaro decides to do something drastic—like finally asking out his crush, Arisa Yumiki. But class president Yashiki, who has her own crush on Kotaro, overhears the pair’s plan to meet up alone. Is Kotaro’s big confession about to be derailed?!