The Yin House

I was a courier, but I chose to quit my job because I couldn't stand the arrogance of my evil supervisor. After many twists and turns in finding a job, I accidentally saw a high-tech recruitment information posted by a building for night shift security guards, so I happily applied for the job. But I never expected that this building would actually be a gathering place for the underworld, and that I would be treated as evil blood food and intended to fill the underworld house...