Rika Tsubaki, a beautiful, thick-bodied instructor with a huge ass, opens a hands-on cunnilingus seminar for adult virgins who want to become better lovers. Students learn directly on her plump pussy, practicing the tongue techniques that can make a woman melt. Rika begins as a patient teacher, but gradually drowns in pleasure, moaning and thrusting herself toward their tongues. The truth is that she is addicted to being licked. Experience her at point-blank range as she finally gives in to her craving for cock and lets pleasure take over.