Dreams of White Tresses
Secretly i think he is doing this to gain more favor with BQQ, as Mu Ya is still her son and she loves her children and he knows how hard she wouLd take it if they werent also taken care of. as well as I am SURE he still hates Muir even after so long but the violence of it has faded lol. The beast man in him is also looking to strengthen their tribe and the more these girls rely on their beastmen for survival here the less chance fhey will have of being abandoned spouses.