This is a story about a naughty summer experience I encountered. Reina, a female instructor who spoke to me in Kansai dialect when I participated in the study camp, had a cute face with glasses and big boobs that a man would definitely see, and she was too dazzling for me as a virgin. After that, I heard an urban legend that there was a special class of Reina-sensei that only virgins selected from seniors could take. I was laughing because I wondered if there was such a convenient thing, but when I went to the bathroom, Reina-sensei suddenly appeared ...