Brenda Zambrano in nude scene from Mujeres Infieles 4 which was released in 2016. She shows us her tits and ass including full frontal nudity in sex scene.
Also Argelia Curiel naked in Mujeres Infieles 4. We can see sex scene with her. So Argelia Curiel is not shy and she demonstrating her ass, boobs and even full frontal nudity.