I, Who Was Drowned In Great Spasmodic Shrimp Warping Intercourse With My Beloved Daughter's Boyfriend. Yurika Aoi

Right after becoming pregnant with her daughter Saki, the man she was dating and was supposed to marry went out of contact. To ensure her daughter wouldn't suffer because she was a single mother, she worked desperately for these ten years. Her daughter graduated university, got a job, and marriage—a bright future awaited her. Then one day, she unexpectedly had a relationship with her daughter's boyfriend. Despite her love for her daughter, she couldn't control the desires she had held back all this time, and a numbing pleasure like an electric current ran through her body...