In the crowded train car, Yoda Kimiko was shocked and terrified when she found herself being molested by an obscene hand. Her body trembled helplessly under his relentless touch, filled with both revulsion and uncontrollable pleasure. She was violated against her will, unable to resist the intense sensations that overwhelmed her. Days later, haunted by the experience, Kimiko found herself masturbating obsessively, longing for another taste of that forbidden pleasure. Determined to relive the encounter, she boarded the same train once more, seeking out the pervert who had left such a powerful mark on her soul.