I Was a Dishwasher in Chinatown and Was Forced to Become a Witcher.

As a writer, his father disappeared mysteriously, and the horrific stories he wrote gradually became reality. Qin Moming, who was washing dishes in Chinatown, accidentally became the only clue to the entire case. A mysterious visit changed Qin Moming's stagnant life, and also involved him in a bottomless dark secret. Demons, curses, realms, black magic... As the case progressed, Qin Moming discovered that there was actually a... Blonde girl hidden in his head? (Serious, no time travel, no system, updated daily)