KungFu Boys 3.

This film primarily tells the story of a Taekwondo youth named Wai Wai as he grows up, facing his dreams, himself, and the choices he makes. He often has a heroic dream at night, where he punishes evil and promotes good, to the extent that in every night's dream, he becomes that superhero. However, the gap between reality and dreams always leaves him with a deep sense of loss, and in reality, he feels isolated, like a dark cloud hanging over him. All of this changes when he starts learning Taekwondo. Wai Wai undergoes a profound transformation, learning the values of perseverance and never giving up. Finally, he becomes the true superhero, both in his dreams and in reality.