AniDB

Genre: Chikan, Erotic Game, Gangbang, Sex

In a crowded train, strangers are likely to end up being too close for comfort. But for some people, being too close is a comfort! When a poor conductor witnesses the bizarre yet inviting ritual of anonymous train sex, he jumps on the opportunity toturn it into a business! Every night after the midnight train ends its route, he turns it into a rolling bordello. get ready to climb aboard… the sleazy train is COMING!
[from AniDB]

info:

source: DVD
resolution: 704x480(704x528)
video codec: h264(10 bits)
audio codec: AAC
audio languages: Japanese
subtitles: English (ass)