Hikaru has feelings for Shunji and once tried to kiss Shusuke while he was napping. However, she missed the chance to confess, and after graduating from university, Shunji moved away for a job. Unable to forget him, Hikaru is surprised one day when Shunji comes back to Tokyo, misses the last train, and suddenly ends up staying at her place. As they drink and reminisce, Shunji suddenly says, "Back then, you tried to kiss me, didn't you?" Those words reignite the feelings between them.