Both are mini dramas about a doting wife who feels the marriage is one-sided and gets a divorce while pursuing her career dreams. The ML, meanwhile, tries to win her back.
Both are mini dramas involving a married couple going through the cooling off period to divorce who discover they are still in love. Both FLs discover they are pregnant during that time.
Both are mini dramas involving a married couple who are in the process of or have divorced who discover they are still in love, with the ML trying to prevent the divorce and the FL pursuing a career.