Detective File 1: Kindan no Ai  

Best of Kitty #4 (1), Bondage House, Détective - Enquêtes et Soumissions, Detective File 1. Kindan no Ai, ディテクティブ file.1禁断の愛

Detective Higishino rescues Ayane from two men in an alley. Ayane is surprised by his resemblance to her deceased brother Shingo. She hired him to investigate the mysterious circumstances surrounding Shingos car accident. Suspicious of a family involvement, Higishino takes Ayane back to her mansion and poses as Shingo in order to discover the truth.