sometimes I dont want to read the comments as they may spoil things. my own comments may do that too but hey...thats how spoiler culture works anyways...
Looks like Rin's father doesn't give two shits about ruining the lives of the women he posseses. I dont see any connection yet of those scars with the stigma. maybe its just a cover up to make him forget about the birthmark he saw for a split second from afar.