A girl who is living in fear due to a stalker who is constantly sending her creepy gifts and following her around. She is later kidnapped by the stalker, who is later revealed to be the police in charge of the stalking case. When the stalker is enraged due to Ryoko's love rejection and is about to smash her with a shovel, Ren arrives as she pulls out the red thread on the doll which indicates she has officially signed the contract with Ai and her assistants.