Freshly graduated university student Ji Ci unexpectedly finds himself in the role of a villainous supporting character in a popular Jiang literature novel. Determined to stay safe, Ji Ci tries to get close to the junior brother. To his surprise, the is not only incredibly beautiful but also kind-hearted. Ji Ci vows to protect him, but the junior brother falls for him and declares he will love only Ji Ci for the rest of his life. As a result, everyone who used to be obsessed with the junior brother now turns their attention to Ji Ci.