father remarried. The woman he married was young and beautiful. I felt a woman in my 'stepmother', and the 'stepmother' felt a man in me... Miwako Yamamoto, a former popular hostess, married a wealthy man, but was already bored with her boring life. The son-in-law hits Miwako coldly. One day, Miwako falls into a trap set by her son-in-law. Natsumi Horiguchi, a beautiful yoga instructor, is actually quite a perverted woman, contrary to her reputation, and she masturbates to her son-in-law's dirty underwear as a side dish. Finally provoked by yoga poses... In addition, beautiful second wives who are crazy about yoga with their son-in-law's young body Rape SEX! !