A young CA named Five Leaves finds herself at the mercy of perverted salarymen before even embarking on her dream flight. As she works under their lecherous gazes, they escalate their actions day by day, using slow and tantalizing techniques that leave her helpless against pleasure. They thoroughly train her body, exploring every inch with their experienced hands and old-school cocks until she forgets about flying through the air. Slowly but surely, the innocent girl transforms into a seasoned sex slave exclusively for these dirty old men...