The demure, busty office lady, Mei Washio, becomes a victim of sexual harassment for the first time in her life. Fear and the urge to escape overwhelm her, as if the train will never arrive at the next station. The time spent enduring this harassment feels like an eternity. Despite being filled with terror, why does a sense of sexual fulfillment surge within her upon returning home? She wants more... After masturbating to confirm this feeling, Mei gradually awakens to her femininity...