Beauty Chairwoman's Bodyguard Expert - Chapter 922 - 916: Past Events

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 wonderful night, she met a lover of a lifetime.Because of the failure of her family’s business, she has always been looked down upon by others.

Even her fiancé framed her, although they had a good relationship before. On the contrary, he is a well-known rich CEO, with a handsome face and a wealthy family.

There are countless girls who want to marry him. Unexpectedly, they spent a romantic night together.

As they got to know each other better, they began to realize that both of them was the one they had 

The empire has turned into the land of the undead due to a spell gone wrong. God summoned heroes from countless worlds to purify the empire and plant new hope. Lee Shin Woo, an ordinary earthling, was also summoned. As an undead, that is.