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Identity: It's a fanmade anime and manhwa.
Background: In the Tang Dynasty, a father named Longwei from a noble family was always getting mad at the male servant, Jinshi whom his daughter Mingxia was in love with, because he considered all the meals Jinshi made lowly and that the luxurious ones suit her, not realising that he is actually his youngest son when he was born while he was away years ago, she said, "Oh don't hurt him father, he's your son." And her father was like, "Why i-" then gets shocked and said, "my son?" What happens next?