Keita lives alone, away from her parents. - One day, his mother, Yukino, calls me for the first time in a while. - "Tomorrow ... Why don't you come visit me because my dad is away on a business trip?" Keita immediately understands her mother's feelings when she hears the story. - (Mom wants to have sex with me !!) And she came home for the first time in a few years ... Keita who overlaps her skin with the sound of snow as soon as she opens the front door. - Yukino who cums many times for sex after a long absence. - Of course, that sex alone shouldn't end today ...