Jenny is house sitting when she comes across a strange-looking collar. Knowing the owner doesn't have any pets, Jenny concludes the collar must be for humans and tries it on. She begins feeling tingly and her breasts become tender and tight. Feeling more strange, Jenny can't help but feel hornier than usual. Her A cups start growing right before her eyes! Jenny watches the process in amazement as her itty bittys transform into HUGE oversized tits! The growth makes Jenny spacey as she is smitten by her massive boobs. She lifts her shirt and reveals her enormous new rack which she gropes and admires until an intense orgasm!