A big discovery of things that women realize during masturbation and sex that they can't tell anyone about! Popular actress Kohaku Uta is the MC of the women's video site GIRL'S A frank girls' talk with the female staff of CH! Vibrators break easily...!? Dad's erotic books...!? How to use your cell phone like this...!? When sex is too much of a hassle...!? A secret girls' get-together revealed!