無邪気な姪っ子姉妹の美月となつ！大好きなおじさんに遊んでほしくて、小麦色に日焼けしたカラダを露わにおじさんにちょっかいを出す。「おじさん、ここがもっこりしてる！」大人のチンチンに興味津々の2人はおじさんにエッチな事を教えてもらい、お母さんには内緒で四六時中おじさんとのエッチに没頭する！Mizuki and Natsu are innocent step-niece sisters! They want their favorite uncle to play with them, so they start exposing their tanned, wheat-colored bodies and start messing with him. The two are so curious about adult dicks that they ask their uncle to teach them some naughty things, and without telling their mother, they lose themselves in sex with him all the time!
