The first time is always hard. The blonde with her questions aroused her girlfriend and offered to try sex with a girl. And she secretly dreamed about it, so this step was not so difficult for her. When girls fondle each other, the male gets a hard-on just like he does himself with them. Glad the girls did it. That's so hot!
Sis aroused her brother with her demeanor and young tender body. First she sucked him off, then he played with her pussy with his tongue, everything was mutual. When he fucked her, the tension was instantly released from the two, they moved in tune.