To Akane, Kai's a guy who lives in a different world, always surrounded by girls fawning over him. But, on a trip to a hot spring resort planned by Akane and her girlfriends, she and Kai suddenly get really friendly! After he kisses her as part of a party game, he adds, "Akane, you're cute." And even though she knows they could never end up together, for some reason her feelings for Kai just won't stop growing...