Throne of the Ghost Emperor (Danny Phantom X Naruto) - Chapter 31

She, a genius abandoned by her clan. He, a proud, pampered, two-faced imperial crown prince, a developing supreme ruler of the world. She, tricking him, disguised as a pig to eat a tiger, suppressing him, provoking him. Every time, after playing with him and stirring him up, she’d escape.

No man could put up with this! He could only hunt her, pamper and indulge her, lure her into falling in love with him, who would have thought, the one to first fall in love would turn out to be him———-

A young man who stood above the world, a young lady who dominated the landscape, evenly matched opponents, evenly matched romantic game of chase and tag.

- Description from novelupdates

Rong Zhi was switched at birth and lived in the countryside for eighteen years, her family was poor, and she dropped out of high school to work.At eighteen, her biological parents came to her door, saying she was the daughter of the Rong Family in Beijing and came to take her back to Beijing.Above her were uncles watching over the family inheritance, below were biological siblings.She was warned by her parents: Learn the rules from your brothers and sisters, don't cause trouble, the Rong Family can't afford to lose face because of you.Rong Zhi brushed aside the bangs on her forehead, smiling brightly: “Okay.”Everyone was waiting to see the joke of this ignorant and unsuccessful Third Young Master Rong, but as they watched, she became the Crown Prince who had the final say in Beijing.Everyone: This doesn't quite match what we were told??The Bai Family Head returned to the country, and all the noble families in Beijing were on high alert, except for that carefree member of the Rong Family.One day at a banquet, everyone saw Mr. Bai, standing at the top of the pyramid, bend down, holding a pair of high heels in his hand, speaking helplessly: “Such a princess.”Looking again at the long-haired woman in a dark green cheongsam standing in front of him, barefoot on his shoes, “I am a princess, and it's none of your business.”This familiar face, this familiar arrogant tone...Everyone was stunned, their eyes open wide in disbelief: Third Master Rong?!【Front-stage female disguised as male + slight sci-fi + no logic + feel-good novel + 1v1 single couple】

Follow Chen Ming as he accepts disciples, establishes a sect, and fights his way in a world that deems him a cannon fodder.
He goes against any common sense using his wits and novel knowhow to finish missions and arm himself against his cruel fate.

- Description from Novelupdates