"From tomorrow, you'll ride the train in a swimsuit." That day, in exchange for the humiliating photos taken in a dimly lit warehouse, I was forced to make a contract to become a 'toy' for men. The morning train was packed, the humidity was stifling, and the greasy body odor of old men filled the air. In the midst of it all, I stripped off my uniform and was in a swimsuit—a completely abnormal sight. The stares of the surrounding passengers were shocking, and I overheard whispers of contempt... At first, I was so scared and ashamed I wanted to die. But the feeling of the men's sweaty hands clinging to my skin, and the sensation of their fingers persistently touching me in time with the train's vibrations, gradually began to melt my brain. Surrounded by so many men, being looked at and touched like a spectacle... The moment I realized I wasn't a human being, but just a 'sex toy' for them, a thrilling pleasure shot through me. "Please... make me feel good again today..." This swimsuit-clad figure, covered in semen and vaginal fluid, crawling on the floor, is the real me. I can never go back to being an ordinary, boring high school girl. Because I'm so 'happy'...