S1E1: two characters are forced to have sex while another one (who gave the order) watches . There is no choice, since a "No" would lead to death or mutilation. It is a quick scene and handled rather sensitively. S1E5: a capturer tells a character that they will rape them. Later in the episode, the capturer tries to attack, but is hold back by an event. Throughout the series, sex is referred to as "breeding".