The Humble Slave Zhu Pengyuan

Zhu Pengyuan transmigrates into the Great Yin as a lowly slave. After breaking a porcelain bowl, he is brutally beaten by the steward, humiliated until he loses control and weeps, and then suffers castration. Gravely wounded and trapped in the firewood shed, he endures in silence and bides his time, seeking a way to survive in desperate straits. — Description from novelcodex.org