In the fourth part, patient no. 5 gets a Naci treatment from Lady Blackdiamoond, Anna Petrovna, and me, the saline solution will make his scrotum really swell. The whole thing is paired with a good nipple torment with various objects, of course, electric shocks must not be missing again. We take the time to test his reflexes on his cock and nipples with relish, after all, he is in good hands with us horny nurses.