"We can't live without each other. You're my other half." "I've killed a woman." The domineering voice on the phone was that of a high school classmate, Mitsuo Ichikawa. Buried memories from the past resurface in the heart of a man with the same name, Mitsuo Ichikawa. It drags him right back into the passions of the past. They reunite as accomplices, yet their relationship as master and servant slowly changes into something new...