im thinking of mccree sort of… accidentally? taking on the role of daddy dom for the shimada bros, young or present. he hears stories of the things they were put through at the hands of the clan and jokingly disowns their father.. for them. “im yer daddy now” sort of deal. and the boys are more than eager to accept him, jokes aside. turns out he’s actually really into it and ends up being able to satisfy both of their subby sides at once. oh, and mccree is the King of Aftercare, ofc