Season 3 features an older woman who has sex with a 17 year old guy. At first he seems to like the relationship, but in S3E4 they do something where consent is unclear. It is implied that she has similar relationships with other boys as well. S3E4+5+6 rape is discussed because a woman was raped by someone who has power over her. The rapist is blackmailing her with a video of the rape. Worth of mention: season 3 features a married couple with a 16 years old wife who is lot younger than the husband. Apparently they got married when she was 12.