It's Over! Pretending to Be an Oiran, He Was Caught by His Rival

"My name is Bai Wu, and I am a killer. In order to investigate the case, I changed my appearance and became the oiran of Tiandu who is hard to see. I never thought that my seemingly stoic nemesis would actually be a frequent visitor here. He took advantage of me, disturbed me, and disrupted my carefully planned chess game. "