OBA-331 Middle-aged men gather around widow Yoshioka Nana

A wife, Nanako, whose older husband passed away and was filled with loneliness. Her husband's three brothers came to worry about her Nanako. Nanako forgives her mind to her brothers who comfort her kindly. One night, her husband's younger brother, Tetsuya, attacked Nanako as she slept in her bedroom. Middle-aged men with oil, albeit her husband's brothers. The real purpose they came for was her wife's property left behind and Nanako's ripe body. And Nanako is raped one after another by starving middle-aged men.