In Order to Escort Tianyun Sect, I Was Deprived of My Dantian?

Gu Qing is a college student from the 21st century. After death, he was reincarnated in Qianxuan Continent. I thought it was a childhood sweetheart drama, but I didn't expect that during the Tianyun Sect's disciple assessment, my fiancée Gu Yan actually framed Gu Qing for sexual harassment at the cost of her innocence, and thus won the Tianyun Sect's recommended spot. In order to shut up the secret completely, Gu Yan hired a murderer to kill someone. If it weren't for Gu Qing's physical and mental cultivation, she would have died long ago. I had no choice but to become a disciple of Lord Heavenly Demon, and I almost paid the price - I got the cultivation and knowledge of Lord Heavenly Demon in exchange for my life. I fought back to the extreme and successfully condensed a new Dantian...