Mayan manga(?)

A few months back i was reading this manga about this grey haired lady who ended up in the jungle, it was really interesting but I've forgotten the name and can't remember it at all. The characters included said grey haired lady, a tall muscular black/brown man and his family, it also had tribes and temples, aka why i said Mayan manga. It was also a mature manga as they did have s3x a few times, if anyone can help me find this i would be really greatfull!!