My life as a ghoul (2020)

The film tells the story of Li Dingdang, the first explorer in the Republic of China, who is a street person, a flirt, and a self-proclaimed expert in exploring to find the truth about his father's death in an expedition many years ago, and his companion Fatty and the four girls who enter the mysterious and unpredictable tomb of Gongsun to find the elixir of immortality.