Supporting Character: Am I Actually the Protagonist’s Tool?

When Chu Yuntian wakes up, he has transmigrated into a brainless urban novel as the protagonist's errand boy.

Whenever the protagonist gets into trouble, Chu Yuntian takes the hit, while the protagonist gets all the beautiful women to himself. The protagonist even steals his fiancee, and Chu Yuntian happily picks up the scraps.

After learning the plot and getting a System, he begins his comeback! The protagonist and the female lead both have to die, and he'll give them a taste of their own medicine.

Chu Yuntian: "Aren't you secretly in love with your master's wife? Well, now she's mine. But you won't be alone on the road to the underworld. Your beloveds and your enemies will be keeping you company!"

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.