honestly I love villain pov scenes, this guy will be remembered as being as vile as literal world destroyers if they make this into an anime. The ex going on a yandere arc seems apt too lol.
tbh I think she just about to divorce the husband, the MC is literally that guy to go "I think I love you" after having 2 kids and being married for 5 years and she's otherwise a deredere type. The guy at the end more or less is just another person suspicious of the the relationship. He's...