街中で突然声を掛けられたら、あなたならどう対応しますか？今回も、街中にぽつんと佇む電話ボックスを舞台にした過酷な「ミッション攻略ゲーム」を敢行！挑戦者は’ウブかわ’お嬢様4名。ルールは簡単。電話ボックスに入り、受話器越しに与えられるお題をすべて達成すれば賞金GET！ただし、周囲からは丸見え＆達成するまで決して外には出られません。赤面必至の状況で必死にお題に挑む彼女たちの勇姿は必見です。後ろを向けば目と鼻の先に通行人が…！？見ている側までドキドキが止まらない、超スリリングな挑戦をぜひお楽しみください！

What would you do if someone suddenly called out to you on the street? This time, we're taking on a grueling "mission-based game" set in a solitary phone booth in the middle of the city! The challengers are four innocent and cute young ladies. The rules are simple: enter the phone booth and complete all the tasks given to them over the receiver to win a prize! However, they are completely visible to everyone around them and cannot leave until they have completed the tasks. You won't want to miss their courageous efforts as they desperately try to complete the tasks in this embarrassing situation. If they turn around, passersby will be right in front of them…!? Enjoy this super thrilling challenge that will keep you on the edge of your seat!