"If that's what my son wants... I thought I'd teach him as his mother." Frustrated bodies, husbands who never returned, teenage sons... various thoughts must have made these mothers make this decision. "That's irrelevant... come over here..." The mother, whose Hitomi were captured by her son's powerful penis, whispers to herself as she opens her legs. "Oh... it's hard... and big." Mother and son, drowning in carnal desire, fall into a forbidden world...