Each case is related to something special. Every trace breaks off somewhere without giving the detectives any logical solution. Everyone is different and understands the concept of serial killing differently. Some only catch evidence, others are intuitive and accurate. There is one case and there are countless detectives. What will each of them have to go through to get to the very end of the serial murder path? Will any of them find a solution?

Therefore! This cute girl became a prey of the boss in a succession of stories!

In a frame-up, she had been exiled to a deserted island and left to her own devices. It had been five years since they had last met, and she had taken the baby home, only to lose her memory. "You've signed the contract with me for three years," he said in a cold, determined tone. "Please take care of yourself," Yearning said through clenched teeth. You're a shameless bastard, Joe Muyuan...