Honors student Chiharu is an exhibitionist who wants to show off. After school, one likes to bask in the nearby park and indulge in sadistic pleasures, such as naked masturbation. I didn't know that the whole story was being voyeuristic... The man who was watching Chiharu suggested, "Let's try the shameful mission. It's a naked adventure." The orders were "expose yourself until discovered by three passersby", "masturbate in front of passersby", "seduce passersby". Unusually aroused by the embarrassing adventure, Chiharu couldn't bear to just show off her obvious appearance...