Nanmu is the heir to the Nan family, and has only his mother as a relative. Suddenly one day, his mother brings back a baby and asks him to be her younger brother. Well, for the sake of how cute he is, I will protect him, but when will I give my heart to him?
Nanye was frail and sick, and was taken care of by his brother, but he was so strange that he couldn't sleep peacefully without his brother's arms. What happened to him. Who else can tell him who he is and why there are people who look so much like him?
Although Nanmu and Nanye have always known that their mother doesn't seem to like Nanye, as they grow older, why do their mother's eyes become more complicated? What shocking secrets are waiting for Nanmu and Nanye?