Just like AKACHAN, Hikaru can't speak, doesn't know anything, and can't do anything. The man who picked her up teaches her how to do blowjobs, handjobs, masturbation, sex... in that order. Hikaru's friend further prepares her with punishment and sex, and in the end, Hikaru's sex becomes so long that it is hard to believe. Hikaru was picked up at a garbage dump, until she learned to have sex...〇〇Diary!