Flowers Stitched Through the Years, Love That Lasts Half a Lifetime

Looking for Stories Set in a Bygone Era!!!

The female lead is an educated youth sent to the countryside. The male lead goes up the mountain to rescue someone and is taken away by the army, so the villagers think he has died. Then the female lead faints and discovers that she is pregnant. The male lead's younger sister comes to take care of her. There is also an older brother with intellectual disabilities and a distant granduncle who help look after the child.