Seonghyeok, an Alpha who appears to be an inherent powerhouse blessed with every condition. Everyone envies and is jealous of him, yet a great loneliness resides within him. His parents despise him, and his step-sibling, Yu-in, uses Seonghyeok's tenderness towards him as a younger, vulnerable child to manipulate him like a toy. The moment Seonghyeok realizes a physical abnormality has occurred in his body, his life crosses the point of no return. Before he can even adjust to a body that is no longer that of an Alpha, he is utterly and helplessly ruined by the scheme of his step-sibling...