Masturbation performed outdoors acts as a trigger for the girls' embarrassment, heightening their emotions through the constant fear of being watched. The anxiety of thoughts like, "Doing this here... someone might see me..." excites their bodies intensely. Lifting their school uniforms' skirts and exposing their wet skin creates a crossover between shame and pleasure. As they whisper, "I'm so wet already..." fingers slide into their pussy. This sensation, experienced outdoors for the first time, transforms them into lustful, depraved females. The combination of humiliation, climax, and involuntary urination defines the allure of this work.