Gu Chen is the protagonist of the story. He transmigrates into a world where humans become professionals after adulthood. He is the eldest son of the Northern Territory Royal Family, but was raised by poor peasants in Lincheng, suffering poverty and bullying. After his biological father Gu Qingfeng returns after 18 years, he is coldly treated and scorned for failing his job change. At that moment, he activates the Job Change System and chooses to become a Summoner, receiving the God‑Tier Talent Darkborn First Blood. He severs ties with the Gu family and returns to Lincheng to enter the newbie dungeon, evolving his Bloodthirsty Bat into the Epic Dracula. He is determined and rebellious, seeking to make his own way in the world.
