After the tragic death of her husband, Rin is raising her son alone. Stepson has one small peculiarity - boy couldn't wean himself from his mother's breast, and therefore Rin gives him to suck her every day. But at all this is a completely ordinary family.
Once classmate, son's best friend, staying late at a party, decided to stay overnight. There is only one bed in the house, so Rin just put boy next to her. At night, her son, as usual, crawled to her chest. After "feeding" him and making sure that he fell asleep, woman realized that strange boy had seen everything! And he asks to give also breast to him. Not wanting to make a noise, Rin agrees. In the process, she suddenly begins to feel pleasure and as a result, for the first time in many years, she has violent sex ... right in front of her awakened son. And in the morning he sets a condition - he is ready to share his stepmother, but only if it's in front of his eyes. This is how a very strange relationship begins, which will last 10 years ...
(MEYD-519)