Gonzalo Heredia goes with Darío Tripicchio to a sauna. Over there, they shower next to each other, and we see both of them naked, front and back.
Darío Tripicchio has a large uncut dick and Gonzalo Heredia has a medium sized uncut dick with untrimmed pubes.
Later in the movie, Gonzalo Heredia gets in a bath and in bed with Rafael Ferro. Both of them are see fully naked in the bed.