Protagonist's Evil System: My Girlfriend Turned Into A Dragon - Chapter 121 Hoping For The Best

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

With one touch of the stone, Tyron receives his Class and his life changes forever.In an instant his bright and promising future as the scion of two powerful Slayers is torn apart and he must make a decision.Will he allow his Class to be purged from his soul, or will he cling to it, abandon all that he knows, and rise to power?

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

One sentence introduction: She reconciled with herself by virtue of her performance.

————

When she was about to die, she “traveled” through the apocalypse, and after 30 years of hard work, she was finally reborn by tearing down the system, but was planted with the seeds of murderous manic depression. Since then, there has been an additional villain professional in the entertainment industry, with superb acting skills, and has repeatedly won the crown of the best actor.

Key words: women disguised as men, dramas in dramas, fanboys, Hanwen Copywriters

- Description from novelbuddy