One day after work, my older colleague and junior, Ms. Goto, found herself stranded at my place due to sudden heavy rain. Although I hadn't paid much attention to her before, seeing her drenched body made me tense up involuntarily. When she learned that I was still a virgin, she kindly propositioned, "How about I teach you SEX?" And so, we ended up having H together out of circumstance. After realizing she was a married woman, she continued to tempt me until...

ある日のバイト終わり、年上で後輩の五十嵐さんと突然の豪雨で一泊する事になった僕。今まであまり意識していなかったけど、ずぶ濡れになった身体をみて思わず緊張。僕が童貞だと知ると「SEX教えてあげようか？」と優しく迫られ、なりゆきでHしてしまった。人妻と気付いた後も、彼女からまた誘われると僕は我慢出来ずに…。