After her husband, who was older than her, passed away, Nanako felt lonely. Her husband's three brothers came to visit her out of concern. Nanako gradually let her guard down with these kind brothers who comforted her... One night, her husband's younger brother Tetsuya attacked Nanako as she slept in the bedroom. Although they were her husband's brothers, these middle-aged men with some meat on their bones had a true purpose: the remaining wife's assets and the ripe body of Nanako. Thus, Nanako was raped one after another by these hungry middle-aged men...
