Kakeru and Yamato have begun dating at last, but they're still not quite used to the fact that they've gone from "friends" to "boyfriends." After receiving an aquarium ticket from Fujino, who tells him to "go with his girlfriend," Kakeru decides to invite Yamato on a fun excursion. But when the two bump into their friends on the way home, Kakeru is forced to confess the truth about their relationship...