A railway company suffers money problem because there are not to many people using it in some less populated area of the cities. Amaro, a young railway clerk, propose to his collegue to attract man by making wimen sex slave during the night. It\'s called operation lady-killer railway. The operation takes place around 1:15pm where the last train is scheduled, the girls will enter the train from the Hikasato station (3 girls per cart) so the men can have some fun with them during the ride. Amaro begins finding young girls, convinces them to have sex with them and to enter the last train to show them ultimate pleasure. The operation is a success however, Yuka Otori, a young reporter and Reiko Hayama, an advise of the railway company tries to uncover the secret of the success. Will they succeded at the end ??? Sana, a young girl who grown up with Amaro, has feeling for him but she afraid to be love like a sister, Reiko tells her about her \"brother\" activity and can\'t believed it. Will Sana admits her feeling to Amaro even if he\'s doing these thing ??? Will they lived happy together ??? Will Amaro collegue betrays him because of his success ???