I'm shocked its actually gay, everytime I find these its normally a girl crossdressing if ...

Once Upon a Fairy tale (Yaoi)

it may not be exactly what you're looking for, but it's kind of similar

If you want, you could go to the top that says all genres, and click yoai and historical and find similar things, I always start from the back and go to the front if that helps?

Thanks, I never really do that but in this case I might (⌒▽⌒)

http://www.mangago.zone/home/mangalist/418923/