A storm stops the trains on a night already destined for overtime, leaving the narrator alone in the office with coworker Non Suzumiya. She returns drenched from outside, her bra visible through the soaked shirt, and his suppressed desire bursts. He unbuttons her top and teases her nipples; when she voices no resistance, he moves down between her legs. Her suggestion to keep going until morning leads to oral and all-night sex across office sofas and desks, ending with three thick creampies.