親とケンカして家出したゆの。都会に電車に出るが誰も知らない街に一人じっと人の行き来を見ていた。そこに話しかける男。「少しなら家にいてもいいよ」何も知らないゆのは男に誘われるままついて行ったのであった。男に少しだけ気を許すゆのだが、部屋では押し倒されそのままいいようにハメられてしまう。知らない男が増え、セックスをされまくるゆの。初めての絶頂を何度も迎えることになる。そのまま朝まで何度もセックスで10時間以上。開放され家に帰るもゆのは前日のことが忘れられずにいて…。

Yuno runs away from home after arguing with her parents. She takes a train to the city, but finds herself alone in an unfamiliar town, watching people go by. A man approaches her and says, "You can stay at my place for a little while." Unaware of what's going on, Yuno follows him. She lets her guard down for a moment, but in his room, he pushes her down and takes advantage of her. More men join in, and Yuno is repeatedly ****** to have sex. She experiences orgasms for the first time many times. They continue having sex repeatedly until morning, for over 10 hours. She is released and returns home, but Yuno can't forget what happened the day before…