After Killing Everyone, I Overthrew the Imperial City Department

Their relationship started with calculations, got stuck in games, and finally became a symbiosis that they couldn't let go of. "Xu Zhiqing, is this sound of broken bones more beautiful than my sister's cry back then?" Fifteen years ago, the entire Su family was massacred, and I huddled in a rice vat and swallowed the blood. Fifteen years later, I became the sharpest sword of the Chief of the Imperial City Department. He is also his favorite prisoner. He thought he had tamed me, but he didn't know that every time I said "Sir", I was plotting his life. "Master Xu, guess... Will you or the dog emperor be the next one to have his bones broken?"