My mother's friend

His mother's friend, Hikari, is staying at home at a local reunion, and his son Hiroki is excited. He was excited to meet his first love, and drank with energy in front of her, but ended up getting drunk... As she woke up, spending time alone with Hikari, she remembered the excitement she had back then, when her drunken girlfriend pleaded to kiss her. Unable to resist his fierce lust, he asks to greet his lips, but there's no way that would be enough...