ROE-555 — I became addicted to intense, convulsive, arching-back sex with my beloved daughter's boyfriend. - Nagamine Tsubaki

Just as I became pregnant with my daughter Yu, the man who was supposed to become her husband, whom I was dating at the time, suddenly disappeared without a trace. For the past ten years, I've worked tirelessly to ensure my daughter wouldn't suffer because she was a single mother. She graduated from university, got a job, got married, and a bright future awaited her. Then, one day, I unexpectedly had a relationship with my daughter's boyfriend. Contrary to my love for my daughter, I couldn't control the desires I had suppressed for so long, and an electric current ran through my body, overwhelming me with an intoxicating pleasure...