The Ghoul in Demon Slayer

As a doctor, Xu Zhou traveled to the world of Demon Slayer and gloriously became a ghoul. The first thing I did when I traveled through time was to study my body carefully, and then I conducted a series of py transactions with Wu Mei. Through research, you can become a true ultimate creature Wu Mei: "Brother Xu Zhou, with your help, I will definitely become the ultimate creature." Ubuyashiki: "This is a demon more terrifying than Muzan." Xuzhou: "I just want to live longer." The protagonist has a limited lifespan, about 600 years, and has the ability to transform other people into ghouls. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.