The guy is lucky with his sister - she is a nipple. She's ready to open her mouth for him to stick it in her. Apparently she serves him regularly, because he no longer feels affection for her, but fucks her like a street whore - rough and bold. However, she seems to like this treatment.
Oh, the negroes there just bloomed when they got down to it. In general, without any ceremony to shove so hard into all the holes such a big bolts in a crowd - it's hard. This is what I understand, a specific grinding of all the holes.