First Time in Life! Ultimate Cervical Expansion and Suppression - Yua Mikami SSNI-473

Yua Mikami is about to take on the challenge of "Ultimate Uterus Development"! A host of male actors with enormous penises will be assembled to develop her vagina, constantly stimulating her cervix and bringing her to multiple orgasms! Simultaneously, internal development will take place; just having a vibrator pressed against her abdomen is enough to send her into a frenzy of orgasms!