"Kathy is stunningly beautiful, recognized as the belle of her university, yet today she receives an extortion letter containing some indecent photos taken in the changing room." "At this moment, in the dimly lit night park, Kathy nervously paces under a streetlight by the public restroom, the address provided in the letter. Kathy’s fists are clenched in anxiety, her fair face full oof worry under the dim light, her large black eyes brimming with regret. "Ah... so unlucky, damn it, why was I photographed?"" "she mutters under her breath, feeling as if a weight is pressing down on her chest, making it hard to breathe,"Absolutely, I must not let those photos get out!"" "Finally, gathering her courage, she shouts towards the dark public restroom, "Is anyone in there?" After a moment, a gruff voice responds."