Nube's pupil, Kumiko Ijima, identifies a murderer in a nearby park after recognizing his face from a police poster. She alerts her classmate, Kyoko, but the criminal gets hold of Kumiko's drawing - featuring her initials, "K.I." - and spots her wearing a red ribbon. The police pursue the suspect, but he crashes his vehicle into a seal. The incident allows a demon to manipulate his soul, causing him to target girls with a red ribbon and the initials "K.I."