Responses
https://www.mangago.zone/read-manga/razoku_no_hanayome/
mkght be this, or mothers spirit
THIS IS THE ONE!!! THANKS LUVV
it's yaoi. there is this guy who started to live among a tribe people. And one of the tribe's man have sx with the guy. They introduce this sx between male to the tribe. And i remember that the end of the manga they make a bed from hay or straw