Due to the reason that they are easy targets for sexual harassment, J-system guys start attending a self-defense dojo. However, because they seem shy and docile, men mistakenly assume things. Under the guise of training, they trap the J-system guys in an excessively intimate state from which they cannot escape. Starting from the most obscene points of contact, while confused by the numerous instances of sexual harassment, their bodies still react involuntarily.
