Suzu, an honor student and a pure and pretty schoolgirl, had a sexual fetish for exhibitionism. She usually went out without underwear to satisfy her desires, but as if she wanted more stimulation... one day, she went to a nearby man's house and while chatting, she stuck out her crotch without underwear under the table, indulging in excitement. She then exposed herself right behind the man who went to the kitchen to pour barley tea. She left it just in case he noticed, but... the man's younger brother, Ippei, witnessed her. Later, Ippei pressured Suzu into a physical relationship...