Puppy Play with Papa - What the Cat Dragged in 4

Even after being released from Tsurugi’s clutches, Tatsuki’s troubles just won’t end. Ever since the incident, he’s been plagued by impotence and fears it might put his marriage in jeopardy. But Tsurugi ends up in a similar pickle after being propositioned by a classmate and falls into a deep depression. Could it be that the two can no longer escape the other?