It wasn't supposed to be like this. Sakura's relationship with her son Shota was just a way to kill time. A momentary lapse of judgment. That was all it was supposed to be. But her body was getting used to the pleasure Shota was giving her, like a dry sponge absorbing water. She couldn't be satisfied with her husband anymore. It had to be sex with Shota... Sakura, realizing there was no turning back, became addicted to the forbidden mother-son sex.