Hotel Marroad International Narita’s dark reputation stems from a real and widely reported incident in 1999, when authorities entered Room 1272 and discovered the mummified body of Shinichi Kobayashi, a member of the self-development group Life Space, who had been left in the room for months while followers reportedly claimed he was still alive. The case shocked Japan and permanently attached a macabre stigma to the hotel, with later guests and airline staff recounting unexplained knocks, footsteps, and the sensation of someone present in upper-floor rooms, often specifically referencing floor 12 where the incident occurred.