Cruel and merciless whipping punishment on a poor slave

A master is whipping a slave hard. It's a very cruel and merciless punishment, and the poor slave can do nothing but to endure the full strength of the angry master. It's the slave's job to please the master, and if the slave fails to accomplish that, corporal punishment is inevitable. The master is slim, cute, strong, and moody with a bad temper which is very hard or impossible to be pleased. Therefore, the slave is never far away from the next whipping. The master also uses humiliation to take full control of the slave's mind, letting the slave to worship his feet, ass, cock, and every part of the master's body. A successful slave is nothing but the master's private property. The master can do whatever he likes on the body and the mind of the slave.