Fantasy: I Am The Great Antagonist

Yim Wuxie, a traveler from another world, lands in a realm ruled by the mighty Chiang family, descendants of a legendary Emperor. He's set to marry into this family, spotlighting him among gods and royals. As the Inferno Lord's heir, Yim navigates his new, powerful identity while facing Xiao Chen, a rival in love and destiny who's quickly gaining strength.
Xiao Chen, now a formidable force, aims to disrupt Yim's marriage and claim power. Their clash goes beyond personal grudges; it's a fight of fate. Despite an attempted sabotage at his wedding, Yim, with the help of a unique system that offers villainous strategies, outsmarts Xiao Chen, turning defeat into victory.
As Yim grows into his role as the designated villain, he questions: Can he use his knowledge and system's power to change his destiny and outplay Xiao Chen, reshaping his story in this fantastical world?