Kibi Mayu: A Sperm Cat of Scams - Tracker of Conspiracy-

Mayu is pursuing the mystery of her sister who disappeared two years ago. what was left on the scene of my sister's disappearance was a small amount of man's semen... If you find a man who matches the "sperm" left on the scene that is the only clue, you can find the culprit and the black curtain, and to eliminate the darkness of sexual crime in order to take the "semen", it becomes "mayu," which is a "monitoring cat". The target is only sex offenders! to wipe out the sex crimes that spread all over the world!