I was indulging in intense, convulsive, reverse-arching intercourse with my beloved daughter's boyfriend. (Hoshifuyuka ROE-445)

While pregnant with her daughter, Naho, the man she was dating, who was supposed to be her husband, disappeared without a trace. For the past ten years, she has worked tirelessly to ensure her daughter wouldn't suffer as a single mother. After graduating from university, she found a job, got married, and a bright future awaited her daughter. Then one day, she accidentally had sex with her daughter's boyfriend. Contrary to her love for her daughter, she couldn't control the desires she had suppressed until now; an electric current surged through her body, and she was overwhelmed by a numbing pleasure…