A cool, boyish girl in loose street fashion aspires to be in an adult video. Her tough-mindedness is actually the flip side of her shyness; in reality, she has a bright personality, a funny way with words and reactions. She's only had sex with one person, and they broke up before she even realized how good sex feels. She's worried about "cumming" → but her boyfriend can't → she can't have sex... After coming full circle, Yura Tsukinaga decides to make her AV debut, and this is her first orgasm! A female orgasm! An AV appearance documentary!