明るくてエッチ大好きな18歳のあちゃんが絶頂体験に挑戦！ 女の先生による熱血研修で、初めて目の当たりにする「他人のイク姿」に思わず赤面。 しかし、いざ男優との実践が始まれば、デビュー時を遥かに凌ぐ反応でイキまくり！ デカチンSEX、マッチョ2人との猛烈3Pでは、脳がとろけるほどの連続絶頂！

Bright and sex-loving 18-year-old A-chan takes on the challenge of experiencing orgasm! In a passionate training session with a female instructor, she blushes at the sight of "someone else climaxing" for the first time. However, once the practical session with the male actor begins, she climaxes repeatedly with a reaction far exceeding her debut! Big dick sex and a furious threesome with two muscular men lead to continuous orgasms that melt your brain!