HELP ME FIND THISSSS PLEASESS

so a while back I read a BL manga a that was historical esc. It was about a beefy farmed guy who farmed rice and took care of his sick elderly mom. He ended up trading bags of rice for a ‘Slave’ to save him from dying. The elderly mother things that he is her sons new wife, and they play along with it. They live in the mountains and the bottom has a brother who is in love with him and like, turns the government against the top. I’ve tried looking everywhere for it even on google and I’m not finding anything !!!