Luna is in the lab again and she has spilled engorging serum all over the place! It’s got on your face and your pants!! She has a look at your tongue and says you’ll have to test on her because it’s more ethical that way, you tell her you’ll test your engorged tongue on her pussy and see how well it moisturises down there. She looks shy at first but agrees it’s for science! She sits on your face with her unshaven pussy and starts to ride your engorged tongue and trying to be professional but she absolutely can not, she grinds faster as her pussy grips your tongue. Luna notices the serum on ... Show more