Married to Her (A single Yandere, Harem Novel)

Linn, who is the leader of a small-time band of crooks, finds himself in a confusing situation when he is left with only one choice to live and it was to marry the woman in front of him. Who is she? What is her past? Is she forced into this marriage? None of my questions were answered and now I am married to her. She doesn't mind if I continue to flirt with the girls neither does she reveals anything about her past. All she does is spoil me, though sometimes she can be scary. Just who is she? This is situated in a world where abnormal girls with powers and mutations are not rare. P.S. there is a femdom, Yandere (single) and harem with MF, MFF, MFFF+