A wet afternoon with love - a never-forgivable incest between a stepmother and son

The Isshiki family has married his daughter Kayo and ends up living with her son-in-law Masato at his parents' house. Masato, who works from home a lot, was a reassuring presence for Momoko, a full-time housewife. One day, Momoko couldn't help but kiss Masato, who was drunk after dinner alone, was alone with him... When Masato woke up, he was unable to contain his secret desire for Momoko, who had no choice but to have a body that could ripen in the prime of women, and forced her to take her lips. And as they cross the line, they enthralled their sexual desires that are growing from each other...