Isekai'd with pervert best friend

[Genderswap, Gender Transformation, MtF, Isekai, Female POV] You always thought that if you were transported in another world, you would be a harem protagonist. WRONG! Instead, you find yourself in a woman's body, and now travel the world with your perverted best friend. For some reason, he also seems to be a chick magnet. Can you return to your world? Does your friend even want to?