Sir, Don't Bite Me

During the Song Dynasty, a little vampire appeared. However, what makes this vampire different is that he is a weakling. He does not drink human blood but only the blood of animals. He has no magic power and is ridiculed by everyone. After disappearing for many years, he returned to the public eye, and no one recognized that the playboy in front of them was the little vampire back then. Until one day, the world fell into an endless night, and countless vampires came and forced him to join. He already had feelings for the world and refused to comply. But can he withstand the siege of many vampires?