Both leads are devoted only to each other + Secret Crush + Forced Possessiveness + Overwhelming Jealousy
Her secret love had reached its extreme. Unable to have him, Chi Xiaoyu was so humble that she treasured even the scraps of affection he deigned to give her.
Bei Yu went from feeling nothing for her to using her, then feeling guilty, and finally loving her with every fiber of his being.
Chi Xiaoyu: If you don’t love me, why won’t you let me go?
Bei Yu: Even if I don’t love you, I’ll still keep you tied to my side. After you hurt Nan Jia, I wanted to kill you, but I decided the best way to punish someone was to make you live in hell. Don’t you like me? Then you’ll be mine, and you’ll never escape me.
“I didn’t hurt anyone.”
“Do you think I’ll believe that?”