"When a game turns into real killing, the only thing you can trust is your own reasoning."
Yan Shuyao - a has-been genius mystery writer who once wrote puzzles that could always be solved perfectly. Now he is a has-been and desperate writer, heavily in debt. A mysterious invitation suddenly appears. In desperation, Yan Shuyao goes to the appointment, but as a result, she enters the cycle of death games. In each game, the real murderer must be found to survive...
PS: Detective novel without cp