Mr. Gu, Your Replacement Bride Is A Big Shot! - Chapter 5

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

A High School Boy without friends, Odamori Tooru reincarnated into a Fantasy World after a bus accident on a School Field Trip. The job that was drawn 『Slavemancer』a Cheat occupation that dominates the minds of other.

In a world governed by cultivation and power, Li Tian was once a formidable warrior, feared and respected. However, betrayal led to his untimely death. Reborn in a new realm, he awakens as a 17-year-old bastard child of a powerful family, ridiculed and ignored by those around him. Retaining the memories of his past life, Li Tian is determined to seize this second chance.As he navigates the treacherous waters of his new existence, Li Tian finds himself entangled with numerous captivating women, including his alluring stepmother, Xu Fang, and his charming fiancée, Zheng Wei. With a system that reveals his hidden desires and offers him tasks to complete, he must confront his inner struggles while forging bonds and gaining strength.Will Li Tian rise above the stigma of his birth and carve out a destiny worthy of his past glory, or will the shadows of betrayal continue to haunt him? Join him on a journey of self-discovery, love, and conquest as he seeks to transform from a mere bastard into a legendary figure of the cultivation world.

She is the underworld Ghost Doctor’s only disciple, who accidentally transmigrated into the body of the main wife’s daughter in the general’s mansion. She used to be a punching bag.Now, she stepped on her dregs of an older sister, put her father’s concubine in her place, and teaches any objectionable aristocratic ladies a lesson.