At this point, Sou must be secretly trying to see how much he can push them until they attack him. Like, it's a game he wins regardless because he wants that.
How do you accidentally grope a massive ass tiddie that hard? Light grazing? Sure you can do that accidentally. But like, that much tiddie and that much of a squeeze, yeah, he doing that shit on purpose.
You know, this story reminds me of that meme about two guys playing gay chicken that go to the point where they get married and are together for like 14 years and have an adopted kid.
Fait Accompli isn't a term specifically for Isekai and such.
It's a French term in origins. Essentially it means something that has been decided or done before those affected can reverse or change it forcing people to accept it.
It literally means "Accomplished Fact"
So the reasoning is that...