Hiroki, a son of his mother, is excited when his mother's friend Hikari comes to stay at their house for a local class reunion. He gets excited at the reunion with his first love, and drinks heavily in front of her, but ends up passing out drunk... When he wakes up and spends time alone with Hikari, he reminisces about the excitement he felt back then, but she, drunk as she is, begs him for a kiss. Unable to resist his raging desire, he demands her lips, but there's no way he'll be satisfied with just that...