When Kumiko Ijima, a student of Nube, identifies a wanted criminal in a local park based on her drawing from a police poster, she alerts her classmate Kyoko. However, the criminal catches sight of Kumiko's drawing with her initials 'K.I.' and spots her distinctive red ribbon. A chase ensues, leading to a supernatural twist as the criminal's soul falls under the influence of a demon after crashing his car. Now possessed, the demon targets girls with red ribbons and 'K.I.' initials, embarking on a deadly quest for vengeance.