The Delinquent Housewife! Vol. 4 (manga)

A family comedy manga about a high school boy and his sister in law who moves in, who has a BIG secret from her past.

When her mother-in-law finds her biker jacket, Komugi decides it's time to stop lying, and tells the truth about her delinquent past. But even after coming clean, things only grow more awkward between Komugi and her MIL, and it leaves her down in the dumps. To cheer herself up, she sneaks out one night on her bike--and Dai, worried about her state of mind, insists on going with her. The two end up having a confrontation... An imminent homecoming spurs everyone into action in this final volume!