Saeko Matsushita is a mother with a not very good past. She was a lustful woman from a young age. She had sex with countless men, so she didn't know who the father of her child was. That's why she had to Staying away from the game and focusing on raising the child until she becomes an adult, the girl is also at the age where she has a lover and gets married. One day the mother sees the two of them making love wildly, they moan fiercely. made her recall her time, that moan made her mother unable to bear it and suppressed it until one day.