Associated Names:
Учёный, гулящий ночью
夜行儒士
Scholar of the Night
Scholar walking at night
Scholar Who Walks the Night
Thư Sinh Bóng Đêm
The Vampire of The East

Seong Yeol is a vampire scholar that has been hiding from people for many years, letting them believe that he is an old man with leprosy. The only person he lets enter his place is a smart bookseller, Yang Sun. Together they will try to fight against a conspiracy.