Wandering into a Rich Family by Mistake, Mr. Gu's Love Is in His Hands

Contrast of dual identities: The heroine appears to be a submissive substitute wife, but is actually a mysterious and talented painter/designer in the industry. The male protagonist dismisses the substitute in the early stage, but later becomes crazy about the talented "stranger". Extreme pull: From "she is just a plaything" to "she is my life", the male protagonist's psychological transformation must be delicate and destructive.