Bondage House, also known as Detective File.1: Kindan no Ai (ディテクティブ file.1 禁断の愛), is an adult OVA produced by Green Bunny and released on May 25, 1999. The story revolves around private detective Takayasu Higashino, who rescues a young woman named Ayane from two men in an alley. Ayane is startled by Takayasu's resemblance to her presumed-dead brother, Shingo, who died under mysterious circumstances in a car accident. Ayane hires Takayasu to investigate the truth behind her brother's death, suspecting her family's involvement.
To uncover the truth, Takayasu poses as Shingo and accompanies Ayane to her family mansion. The narrative delves into themes of forbidden love, manipulation, and dark family secrets. As Takayasu infiltrates the household, he encounters various family members, including Kiyoe, Gosuke, and Mika, each with their own hidden agendas. The episode explores the psychological and erotic dynamics within the family, blending mystery with explicit content .
The animation and artwork reflect the series' adult-oriented nature, with a focus on eroticism and psychological tension. The story is driven by Takayasu's investigation and his interactions with the family, creating a suspenseful and provocative atmosphere. The episode sets the stage for the series' exploration of taboo relationships and the consequences of uncovering buried secrets .
