It is about Mr. Torture giving women sexual pleasure by practising BDSM.
torture | Abu Ghraib torture and prisoner abuse | Severe Torture | Torture in Bahrain | Torture Garden | International Rehabilitation Council for Torture Victims | cock and ball torture | Bagram torture and prisoner abuse | Torture Taxi | ''Torture stake'', a simple wooden torture stake. Image by Justus Lipsius | Torture Garden (film) | National Religious Campaign Against Torture | Inter-American Convention to Prevent and Punish Torture | Cock and ball torture (sexual practice) | cock and ball torture (sexual practice) | Cock and Ball Torture (band) | Cock and Ball Torture |
Set during the Taishō period, it uses Nikkatsu's superior technical resources to create what Jasper Sharp calls a pink film-style "sumptuous festival of cruelty" portraying the artistic life of the photographer, writer and kinbakushi, Seiu Itō.
The album title and song is in reference to the BTK killer (a.k.a. Dennis Rader), and the album ends with a song titled "Rader".