Katu

Chen Mu is a one-star card maker who stumbles upon a valuable card at a second-hand store. He spends his days studying card-making theory and his nights analyzing the card, improving his skills quickly. His progress catches the attention of a top student from Dongwei Academy, who shows interest in his work. Small changes begin to affect Chen Mu's life, though he remains unaware of the full extent of what is unfolding.