Blood Primordial: Start With S-Rank Blood Dragon Bloodline

A supposedly ordinary person somehow reincarnated into a guy named Max in another world. He thought he would be going to have an easy life, like some isekai protagonist with riches and bitches. But the world seemed to be different from his expectations as human lives here were the cheapest, and the lands were ruled by nobles who treated ordinary humans worse than slaves. Not only that, but this messed-up world wasn't simple and was filled with terrifying monsters and unknown mysteries. When he thought he was fucked, a system suddenly appeared. [ Ding! Bloodline awakening has started...] [Ding Bloodline Awakened] ….. Follow the journey of Max, who, with a powerful bloodline and a mysterious system guiding him, tries to understand this mysterious and ruthless world. Yet the stronger he became, the more he uncovered shocking truths hidden in the shadows—truths that seemed deeply connected to his own existence. — Description from novelcodex.org