Through the Book, I Became the Matchmaker of the Male and Female Protagonists

[Wearing books + system + having CP] Shangguan Suben was an ordinary orphan who was mistakenly brought to a novel world by the system in an accident. System: Host, since it was my mistake that brought you to this world, this system intends to give you some compensation. Shangguan Su: Are you going to open a cheat for me? System: No, I am giving you some tips to help you complete the task smoothly. This task is to prevent the heroine from being with the hero. The heroine is your roommate when you were in college. (Insufficient energy, automatically enters sleep, and the plot starts) Shangguan Su: ..., What about the male protagonist, the system—— Shangguan Su Chenggong successfully went to university under the arrangement of the system and met the heroine. Shangguan Su: The person who is close to the female protagonist must be the male protagonist. Shangguan Su, who mistook the cousin of the "female protagonist" for the male protagonist, was gradually seduced and trapped by this so-called male protagonist. System: Host, this is not the male protagonist. The male protagonist is your biological brother. Shangguan Su: If the dog system didn't come back early, now I'd become a matchmaker