[R]Can't find this hentai manga again. (train, western era)

abadguy87

Member
Mar 8, 2015
77
32
I don't have any image to show you but I remember this story was set on a train during the western era (revolvers, etc.) and it was part of one of those monthly books that contains multiple stories from different authors (don't know how are they called). Can anyone help to ID it?