DVDMS-044+Ordinary Male and Female Surveillance AV+A secretly frustrated wife who hasn't had sex with her husband for a long time demonstrates and explains to a virgin male college student how the vagina works during masturbation! This poor virgin keeps getting rejected because his penis is too big, and when he sees the immature vagina, he can't help but get an erection! Masturbation demonstration of how a married woman's vagina works...