He doesn't go back in tribe but he is an actor and he gets kidnapped by a nudist tribe. http://www.mangago.me/read-manga/razoku_no_hanayome/
Thanks. Not the one I was thinking of but I remember really liking this one.
Not the one Im looking for but thanks for reminding me about this one. I want to reread it now.
I think it’s called the wooden savage and I
That’s it! Thanks
A male actor goes back in time and is found by a man in a tribe who mistakes him for a female/thinks he can give birth to his kids. I vaguely remember this manga but i cant remember the title. I think its a chinese manhua.