Riko's only son Yuji is always bullied by his friends and is a weak-willed child. Riko, worried about her son, tried to warn his friends and stop the bullying, but... these little brats feigned affection while aiming for Mom's huge breasts, and Riko fell into their trap. She thought they were just kids and was lenient, only to realize that she had been dealing with the children's sexual issues day after day...
