My beloved sister has been forced to marry an unwanted middle-aged man

Me and my sister have special feelings rather than just a sibling relationship. She said, "What if someone like her older brother was her husband..." and got an envelope from the government. "Child-making Promotion Act and Performance Order" is the worst notification that forces a daughter to marry her age. Her younger sister is forced to marry a greasy middle-aged man who hides his baldness through a wig, and as per the decision, she gets creampied! Her younger sister gradually becomes more and more prone to her, shaking her hips and begging for creampie! My precious little sister was cheated on...