ADN-722 Sannomiya Tsubaki is violated by her father's killer after retiring as an investigator

After her father, an investigator, is murdered, Sannomiya Tsubaki becomes an investigator herself, marries a fellow investigator, and becomes pregnant, but her husband dies in the line of duty. She retires to raise their daughter, but the man who played her father in the past appears and violates her until she is pregnant, in a plot of revenge and humiliation.