I didn't steal it. My older sister threw it away, so I happily took it.

Merilia is infatuated with the Knight Commander, who is the son of Duke Gadis Aldo, but he is the fiancé of her older sister, Yurine. Yurine doesn't seem to like Gadis, as her attitude toward him is cold. Why was she born as the second daughter? If only she were the eldest daughter, she could have been engaged to her beloved Gadis. Thinking this way, her sister, who found her annoying, told her to go to their aunt's house. While spending time in a state of frustration at her aunt's house, Merilia hears that her sister has been unfaithful. This is her chance! Merilia hurries back home. Will Merilia be able to fulfill her wish?