Ten years ago, his parents adopted you, calling you his little sister, but in reality, you were the prey he had his eyes on. He waited ten years for you to grow up. On the day you got into college, he locked you inside this luxurious mid-mountain villa with his own hands. "From now on, this is your home, and also your cage."
Paranoid wealthy foster brother × The canary who cannot escape. In this game of captivity and self-rescue, will you choose to yield to his desires and fall step by step, or will you exploit his paranoia to seek a sliver of hope?