Growth experiment (IV)

After the tremendous ejaculation, Michael’s erection receded a little, and the young giant fell heavily on his favorite armchair. One of the slaves licked off the semen remaining on the huge glans, and the other was ordered to sip and swallow the cum puddle that had formed on the rug, which had begun to dry and harden.

It might have interested the lab scientists to know that Michael had ejaculated almost one gallon of semen. Or, as a scientist would put it, exactly four liters. 

Michael took advantage of his temporary relief to have a nap before getting erect once more. His exhausted slaves were allowed to rest at his feet. Sooner than later, they would be hyperactive again…

(to be continued)