Yoshino, an office worker who lives with his wife, works overtime almost every day until almost midnight. When he finally gets into the elevator of his apartment building, a drunk woman gets in, as always. She seems to be a woman who lives on another floor. She smells faintly of alcohol, and her flushed face is very beautiful. She seems to be more drunk than usual that day, so she sits down and falls asleep. Seeing her like that, Yoshino becomes aroused, swallows his saliva, and gently reaches for her blouse...