From Blissful Sin:

A sex battle between the selfish young master and the wild detective!
After a certain incident, an excellent policeman named Jin loses his job. No longer employed, he decides to become a private investigator. One day, Kujou Anri, the young master of the Kujou family, walks into his office pretending to be a client. Instead, he ends up confining Jin! What was he really after when he bound and drugged the detective?

These adult oneshots have finally been gathered into one volume! There will be plenty of man-boobs and extra drawing to spare!