I Woke Up to Find Everyone Doting on Me: My Empress Sister Spoils Me to the Heavens!

I, Su Yue, transmigrate into the role of the emperor's beloved younger sister. The imperial cuisine is awful? I'll open a hot pot restaurant! The imperial garden is ugly? I'll grow high-yield potatoes! Along the way, I take in a gorgeous, yandere accountant and feed him soup and meals every day. Until the crown prince of an enemy kingdom points at him and says, “You're the Asura King!” I look at the blood spilling from his mouth... Were you just pretending? He wipes his mouth. “My dear, I can pretend to be even weaker. Want to see?”