What is yari-tetsu? ...Many people may already know about "tori-tetsu." That's right, "tori-tetsu" is the name given to people who find joy in life in taking pictures (toru) of trains. You've probably guessed it already. That's right, "yari-tetsu" is the name given to people whose only joy is having sex on the train. It's the most dangerous addiction in the world!! If you get caught, your life is ruined!!! With their mega-desires that outweigh even such huge risks, they search for female prey at the station and rape them with precise teamwork!! A record of a group of devils having sex on trains! A series of extremely rare footage that may be taken off the market at any time!!