The Knot of Shared Origins

The two were childhood sweethearts. When their parents proposed a marriage agreement, they both opposed it because they had grown up? In order to escape from the marriage, she took her maid and left the house overnight, and with the help of her elder brother, she settled in the suburbs. During her escape, she accidentally met her fiancé? What will happen between them? What kind of trouble will she cause? How was it solved?