Sumire, the second wife of Kanezaki Koichi (Rich Dad), was living a wealthy and happy life but struggled with her relationship with her stepson Takashi and her nightly life with her husband. Meanwhile, Takashi was daily tormented by his young and beautiful stepmother Sumire. One day, Sumire was taken advantage of by Yamamoto Shigeo (Poor Dad), a regular employee at Koichi's company, who exploited her vulnerabilities and made her succumb to his techniques. Takashi too had his desires seen through and became captivated by Shigeo's 'sex philosophy.' Afterwards, Sumire and Takashi began a physical relationship...
