In Favor of the Protagonist (смешанная)

Jiang Cheng delicately touched the fabric in his hand, admiring the pattern on it. The robe was made of silk, purple and brown, and a series of silver flowers and stems decorated the darker parts of the garment. It was beautiful. He was definitely going to look good in t-
 
》{!WARNING! The Protagonist [Wei Wuxian] intends to wear plain, ordinary robes for the conference in Qinghe Nie. If you [the Antagonist] put on the outfit you're holding, you'll be judged 13% more beautiful than the Protagonist by the other guests at the event. Overshadowing the Protagonist's Beauty by more than 5% will result in an automatic penalty}.
 
“Oh, for fuck's sake-”
_____
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Modern!JC is transmigrated into the body of one of the antagonists of the novel ‘Grandmaster of Demonic Cultivation’.
And his life would have been ten times easier if he'd had the slightest idea what this stupid gay novel was about.