King Jack (2015)

Growing up in a rural town filled with violent delinquents, Jack has learned to do what it takes to survive, despite having an oblivious mother and no father. After his aunt falls ill and a younger cousin comes to stay with him, the hardened 15-year-old discovers the importance of friendship, family, and looking for happiness even in the most desolate of circumstances.

Unfortunately the movie King Jack is not yet available on HBO Max.