Syndrome (2021)

A teenager named Alex has to deal with the police because of his actions to take revenge for the bullying he experienced. Although initially Alex was the victim of bullying from his own friends at school, his heartache made him a psycho. His decision to take revenge on Lola, who is still his half-brother, actually drives him crazy. So that finally the police can reveal all of his crimes. Not only is it the cause of Lola's insanity, Alex also turns out to be the main suspect in the murder of his mother, the person who has always loved him.