The Sin of Depravity

“……Please plant more seeds with the semen of my brother-in-law and father.” After losing his fiancée in a car accident, Yoichi felt a joy greater than the sorrow of loss—the joy of finally becoming one family with his fiancée's brother, Jungo, and her father, Keisuke. Once Jungo discovers these feelings, Yoichi offers his body to Jungo as atonement. As he is punished, not only his body but also his heart becomes depraved. How long can this relationship, kept secret from the father-in-law, possibly last? And when will Yoichi's other hidden feelings for Keisuke be exposed to Jungo? Between the brother-in-law and the father-in-law, a forbidden relationship in the name of atonement begins. ...