Keita lives alone away from his parents. - One day, he receives a phone call from his mother, Yukine, for the first time in a while. - ``Tomorrow...your father will be away from home on a business trip, so would you like to come visit?'' When Keita hears this, he immediately understands his mother's feelings. - (Mom wants to have sex with me!!) And then, returning home for the first time in several years... Keita opens the front door and gets skin to skin with Yukine. - Yukine climaxes over and over again after having sex for the first time in a while. - Of course, today can't end with just that sex...