MTL - Virtue is Abundant - Chapter 453 quietly tell you

Throughout this current life of mine, I will pay no attention to my past lives, nor will I seek future lives. I wish to live vigorously, to pay back debt of gratitude and fulfill duty to avenge, to defeat valiant heroes from all species, and to proudly laugh at all the Gods and Demons of the Six Path of Reincarnation!

She was a 21st century’s forensic doctor. With her medical expertise, she uses her scalpels to save life and investigate the dead. Unfortunately, she transmigrated to the body of the unfavourable first daughter of Liu residence. At first sight, he looks handsome and charming; with his crotch erected underneath his half-naked body. She smiled and asked, “Have you been drugged, sir? A cure? One treatment costs two hundred taels.” He frowned dangerously as if to judge whether is she worth for him to give his body to her willingly. She quickly used her silver needles on seven acupuncture points and teasingly stared at his crotch. “Look, you calmed down immediately, aren’t I good?” The moment she finished her words, his member grew larger again. She got pinned down by this wretched prince, “I’ll give you four hundred taels, change another treatment method.” “F***!” She got unlucky, and that was how her son Liu XiaoLi got into her stomach.

…… On a fateful day, Liu XiaoLi was refining his medicine-making skill. The little punk walked towards his mom……

- Description from Novelupdates

In a blackened world humanity remains oblivious to the existence of demonic monsters and supernatural beings working in the shadows.In all this, Valen’s childhood was stolen by the Shadow Stalker, a serial killer who taught him one lesson: that the world was divided into predators and prey.He strived to live a normal life, despite the fact that he was far from normal, but his plan backfired.Now, trapped in a nightmare gallery, Valen is the subject of a brutal ritual that awakens a primordial hunger within him.To survive, he must embrace the very monstrousness he’d spent a lifetime hiding.[This work contains very adult content, like, seriously; the MC's mother's a serial killer. There's no way not to write this dark. Please don't read this if you're sensitive. I'm responsible for what I write, not what you read.]