Kenta was always bullied at school, and every time he came home with a depressed face. And to comfort him, his stepmother always hugged him in her arms. No matter how many sad things happen, every time she is hugged by her mother, Kenta will forget everything. But he seemed to think that it was his mother's breasts that were healing his wounds, not his mother's heart. He wanted to press his face against this huge breast, he wanted to be massaged, sucked and licked to his heart's content. He wanted to explore his mother's body, to release all the "sadness" that had accumulated for a long time. His stepmother was also extremely fond of him, so she responded. And from then on, every time he felt sad, his stepmother used sex to help him become happier...