Incest I'm sorry I'm a perverted mom...

Twenty years have passed since she was married... and her son, Keita, has now reached an adult, and Yuri has patted her shoulders, saying that she has been entrusted with being a "mother." However, Sayuri's calm daily life is completely crumbling after an "event." One day, Sayuri is raped by Kobayashi, a part-time job at a newspaper delivery service that she was supposed to be close to, for no reason. When the wounds healed in her heart... the stimulation of Kobayashi's cock carved into her body transforms Sayuri from "mother" to "woman"...