When OL Mitsuki Nagisa is having tea at a cafe during her lunch break, she witnesses a suspicious woman wearing nothing under her coat.Out of curiosity, I followed her, and she suddenly became naked outdoors and started taking selfies and masturbating.The crotch of "Mitsuki" who was hiding and watching the situation is also drenched.After that, Mitsuki returns to work and hides in the office and masturbates. Repeats perverted acts in companies, libraries, and in front of vending machines.