Mugi's scored a date with Kurose at the summer festival, and she's got butterflies in her stomach being alone together with him—until Hina, her rival for Kurose's affections, barges in and insta-kills the atmosphere! And to add insult to injury, her wallet gets swiped!! When Kurose returns it to her, his cryptic words make Mugi's heart race again... is this really, truly, finally going to be the moment?!