I Found a Bloodline System

Michael Yuto, A 22 years old which was pressured by work walking home one evening accidentally fell into a Manhole.
Next thing he knew he was in another world in a new body so him being a manga enthusiast felt like finally he would become like those reincarnated protagonist but that wasn\'t the case for him cause he entered a world where vampires and Werewolf are the Ruler of the world while humankind are the slaves of the rulers.
So now he wants to make enough money to buy himself out of slavery.
While working in a mine one day he stumbled upon and orb that drained almost half of his life force but opened up a Bloodline system now he wants to use this new found power to become the strongest like other protagonist from manga.
Now accompany him to his life of wonders and adventure.