Venefica (2018)

A mysterious young girl is new to her school. One day, a narcissistic boy is talked into asking this girl out on a date as a prank by his friends. The girl accepts and the two go on a romantic date, but it does not end well. The boy discovers the girl is in fact a witch. The boy freaks out. He comes clean about his prank and then calls her a freak and a monster. The girl becomes enraged and then goes after the boy to place a curse on him. A curse that turns him into a grotesque monster, so the world can truly see him.