Feng Zhuozhou, a college student who was adopted and grew up in a dark environment, is a mental patient who seems cheerful and sunny to outsiders. By chance, she met Gu Xinyi, a beauty who is 3 years older than her and is also straight, through a fujoshi group. From then on, a life of torture and sweet twists and turns unfolded. [Eating Guide] 1. Hot on the outside and cold on the inside, gloomy and aggressive (Feng Zhuoyue) VS Soft on the outside and strong on the inside, White Rabbit Shou (Gu Xinyi) 2. Abuse each other, love each other, and save each other. Sprinkle sugar from time to time. 3. Sin means: lowly, evil, unfilial, etc. The title of this article is inspired by Bai Xianyong's novel "Evil Son". Guaranteed no pitfalls! No one is watching. I've been busy lately, so I'll go ahead and get busy.