A masseur targets female high school students staying in hotels for exams, secretly applying aphrodisiac to the penis during treatment and immediately penetrating from behind! The girl, struggling to escape, loses her ability to run due to the aphrodisiac's effect, her feet unsteady, her consciousness fading. Losing the will to escape, she is once again twisted and vigorously penetrated from behind! Then, with a lost sense of reason, she orgasms wildly... acute estrus! The top student JK transforms into a lewd girl!