Tomohisa drifts through the school day replaying his private encounter with Mizuho, the elegant senior whose note drew him into an intimate moment the afternoon before. When he realizes both Endou and Mikura have vanished from class, worry sets in that the two classmates he watches from afar may be sharing a secret of their own. His search leads him to the fire escape, where the missing pair is indeed together, prompting Tomohisa to confront his own tangled feelings.