もしも…終電逃した男女の友達が「混浴温泉で洗いっこ」体験したらどうなるの…！？果たして一線を越えてSEXしてしまうのか！？寺田さん（22才）大学4年生須藤さん（22才）大学4年生夏目さん（24才）飲食店勤務向井さん（27才）飲食店勤務
What would happen if two friends who missed the last train decided to wash each other in a mixed-gender hot spring? Would they cross the line and have sex? Terada (22 years old) , a fourth-year university student Sudo (22 years old) , a fourth-year university student Natsume (24 years old) , a restaurant worker Mukai (27 years old) , a restaurant worker
