The Childe (2023)

Young boxer Marco Khan - the so-called copino, of Korean-Filipino blood - lived all his life in the Philippines and never saw a Korean father. His mother is seriously ill, so trying to save for treatment, the guy takes every opportunity to earn money and looks for Korean relatives. One day, lawyers come to him, claiming that his rich father has finally found his lost blood and is eager to meet. Marco flies to Korea, but already on the plane, the guy starts being bullied by a strange guy who calls himself his friend.