He is a billionaire with severe anorexia, handsome, venomous-tongued, and incredibly wealthy, relying on nutrient solution to survive each day. She is a popular food blogger on a culinary app, beautiful, kind-hearted, and an amazing cook, making a living through live streams to support her child. To save her son's life with umbilical cord blood, she disguises herself as an unattractive woman and infiltrates his life as a private nutritionist. Unexpectedly, the initially repulsive young master suddenly changes his attitude, cornering her. "Woman, you've been deceiving me, and I'm furious." She timidly asks, "Can I still resign now?" He smirks, "Let's put out this fire first." At that moment, the bedroom door bursts open, and two identical toddlers rush in with a fire extinguisher. "Daddy, Mommy, here's the fire extinguisher!"