National Detective Is a Female Boss

Ten years ago, after learning the truth, my sister wanted to avenge her sister, so she invited the murderer to an abandoned factory and wanted to kill him. Unexpectedly, she was kidnapped. At that time, a young man happened to be passing by. He heard the sound and rushed in to save the person. Unexpectedly, the two of them were pushed down the floor... When the boy woke up again, he was horrified to find that his body had undergone tremendous changes, but his fate was not over yet... Ten years later, a black mandala murder case intertwined the fate of the two people again. When the boy saw his familiar face, everything became clear...