Kristina recently changed her life for a new life in porn. But that life increase her desire for sex so much that now, she can't resist to masturbate every time she meets some men, and if possible asking those men to fuck her. She asking help to Doctor Stone. Without hesitation, Docteur Stone sacrified himself to satisfy his client and gave to her a moment of pleasure she really needed in emergency.  Kristina is going to have sex with him in all position, missionary, doggy, and also in cowgirl and reverse cowgirl, including a deep anal penetration, opening Kristina's ass largely, until he cummed in her asshole. without hesitation, Kristina is cleaning Docteur Stone' s dick just after he cummed inside her asshole!