Rie, whose husband passed away before her. Her peaceful life abruptly ended, and as a widow, she could only satisfy her bodily cravings through self-pleasure... Such was the sight of Rie that her sister-in-law, Erika, witnessed. Erika confessed her long-held feelings for Rie, but unable to endure loneliness and physical thirst, Rie accepted the taboo relationship with Erika...
