Fucking my Muslim Sister Cosplayed as a Cow, Filling Her With My Milk

I was at a convention, dressed as a cow. My sister was there too, in a traditional Muslim dress. We were both having a great time, until she disappeared into a crowd of people. I decided to follow her and found her in an alley, with her hijab pulled down and her dress up, getting fucked by some guy. She saw me watching and invited me to join in. I didn’t need to be asked twice. I pulled my pants down and slid my cock inside her wet pussy. The feeling of fucking my own sister while she was dressed as a cow was incredible. But it got even better when she started lactating all over me. Her milk sprayed all over my chest and face, coating us both in its