Lollipop Monster (2011)

Ari and Oona go to the same school. Lolita-like Ari, is blonde, pouting and lives in a world of bright colours, frustrated by her mother still treating her as a child, while arty Oona dresses in black and is treated as an adult by her artist father. When Oona’s father commits suicide after his wife has an affair with his brother Lukas, Oona starts to self-harm, but finds and unlikely friendship with Ari. Ari’s enthusiasm for exerting her sexuality rebounds when she starts an affair with Oona’s uncle, who has recently moved in with Oona’s mother.

Unfortunately the movie Lollipop Monster is not yet available on HBO Max.