ナンパJAPAN検証企画！女子大生限定！リア友同士で初めての相互オナニー！！2人だけの密室で高評価オナグッズを使った自慰を互いに観察！してたら友情ぶち壊し性欲に身を委ね発情セックスしちゃうのか！？ (2017)

Only for college students in estrus! "Why don't you monitor your health goods (ona goods)?" Take a couple of male and female students who you see in the city with friends to your room! Popular masturbation goods were handed over! We asked them to try a game that tests friendship for 30,000 yen just by observing each other and 100,000 yen for SEX! A male and female friend who was alone in a closed room with a hidden camera ... had sex with each other by mutual masturbation using cutting-edge masturbation goods!