Responses
I dont think hosik is badass but he does leave his partner whenever he gets too possessive
http://www.mangago.zone/read-manga/hosik_s_story/
Megumi and Tsugumi is a good one
Totally Captivated has a badass uke who puts the seme in his place, and also leaves him (still has happy ending). But you've probably read that.
Badass uke who doesn't take seme's shit and leaves him when he's mad