A mom with a big family, surrounded by 7 sons with strong sexual desires...

Reiko marries into the Nakamori family as the fourth wife of Shigeo, a man of great energy and womanizing. After just two months of marriage, Shigeo suddenly passed away, leaving her suddenly forced to raise her seven step-sons on her own. She is busy cooking, washing, and cleaning every day, and when she has free time, it has become her daily routine to indulge in masturbation while thinking about her late husband. The sons, who have no way of knowing about their mother's hardships, explode their sexual desires towards Reiko...