What kind of man will Miharu Usaki Usagi turn a virgin into in a month? A virgin's first documentary! Meeting and having sex right away is a no-no... "You held out for a week! So... shall we have sex?" Her personality and consideration are also good, and she's finally graduated from being a virgin! She's not good at leading, but when she gently embraces the virgin with her motherly love and captivates him, he goes from wanting to have sex to wanting to have sex with Usagi... She falls in love with him for real, and the breakup is painful, so she has sex while crying... It's bittersweet.