MTL - This Cannon Fodder is Covered by Me! - Chapter 2 I cover this boss

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 few minutes before her wedding, Jeslyn found out her soon-to-be husband was only after the benefit he would get by marrying her. Heartbroken and feeling betrayed, she opted for the only option available at that moment, which was to get into a contract marriage with whichever man she could find, or else her family's fortune would end up in the hands of her enemies. …“Mister, please, will you marry me?” She asked him.A man she saw entering the restroom of the wedding venue. 'He must be one of the guests,' she thought.Maverick was taken aback by that proposal. He saw her flinch when he turned to look at her. It was apparent she got scared of him, yet she composed herself, ready to dive into the mystery before her.“It will be a marriage contract. We will get a divorce after one year,” he heard her say.He also needed a woman for his brat, so he responded, “Deal.”Unbeknownst to her, she just made a deal with the sweetest devil that could ever exist. ...He is the nightmare of country M, a country where evil rules.She is the little bunny raised with love and affection. Hurt a fly? No, she had never done that before.However, forced to become the demon's wife, she had no choice but to shed her fake persona.What little bunny? Who said she could not step on a pianist's fingers with her heels and pretend like she didn't mean it?Ha, those celebrities want to play the pity card? Do they want to garner the sympathy of the public? Well, why again is she called a 'little bunny'? Isn't it because she was the best at acting cute?Did no one tell these white lotuses wanting to dive into her husband's bed that she stole his soul when she spanked his naughty son?....Drop by my discord to have a one on one discussion with your author-- Hassy_101.Link belowhttps://discord.gg/CswFCgc2

It was supposed to be her sister's wedding night, but she was schemed by her biological mother, drugged, and sent into her 'soon-to-be brother-in-law's' wedding car.When they first met, the man in the wheelchair was as dignified and cold as rumored. Just because she approached him slightly, he grabbed her neck, nearly choking her to death.'A woman marrying into the Fu family must rely on herself to survive, understand?'She nodded frantically, thinking that carefully pleasing him would allow them to live respectfully and peacefully like guests for a lifetime.Yet in the nights and days of accompanying him, she was thoroughly consumed, step by step falling into the trap he had long set.In this life, there is no escape; in this love, it moves the heart.

Ms Shen goes about her usual days while Mr Bo flirts with her relentlessly.