Yui, who works as a librarian at the library, is going to work by train. I never thought I would meet a lecher on that train... I never thought I would meet an organized group of lewds... Taking advantage of her timidity, lewdness creeps escalated steadily, broke into her workplace and home, and escalated into a rape that was beyond salacious. A cruel creampie ring that fails to reach the cry of sadness. The impregnated slut starts to run away. The train doesn't stop...