Is this an alternate history where Africa colonized Europe instead of the other way around, or a speculative future?
If the former, then it should be noted that the names of many of the African countries you mentioned are the product of colonialism. Might be better to use the names of indigenous cultures.
There is, or at least was, at least one place catering to your friend’s tastes: https://urnotalone.com/male-maids-serve-it-up-at-japans-first-cross-dressing-maid-cafe/
Edit: More recent article: https://www.tokyoweekender.com/food-and-drink/restaurants-and-bars/boys-magically-become-girls-at-the-maho-ni-kakerarete-crossdressing-bar/