"Today, he didn't come back again..." Mina struggles with her failing relationship with her husband. Her son, Yohei, worried about Mina, ends up loving her as a woman. One day, seeing Mina's lonely figure, Yohei can no longer hold back his feelings and pounces on her instinctively. Although Mina is stunned and tries to resist, her ignited lust quickly flares up, and she is penetrated deeply in an instant...
