Peach and the entire class are watching an adult magazine, they are interrupted by their teacher who decides to tell the children how sexual reproduction happens.
Roudoudou and Romain watching a porn film, soon after they are in bed together. The scene suggests that they are naked under the covers and and that this time Romain has overcome his performance anxiety.
Jorgelina looks at a sex education book with Mario. She is called away but he continues to look at pictures of female and male genitalia. He compares these to himself (implied).