It was a story where men were rare or the ratio between men/women was heavily skewed towards women.
The MC's mother hid him in his home all his life. One of his maids/servant asks the MC to impregnate her. When his mother finds out, she is upset and worries that the maid took advantage of him.
His father was a breeder and cheated on his mother whereas his mother believes his father was her true love.