I think their rut and heat never were at the same time, but the amount of cum in that ass should have still done all of that mlngth
Girl I've read an infinite amount of ABO stories, this still makes no sense and if I remember correctly, it did happen before that one of their heats triggered the other's, I just don't remember when or who
It's crazy to me that he didn't get pregnant at least ten times over throughout the manhwa