When Yosuke gets home from work, he finds his mother drinking with her best friend Yuri as they complain about Yuri's husband. Later that night, his mother passes out drunk, leaving the two of them alone. Yuri runs her hands seductively over his body and confesses that men in suits turn her on. Yosuke cannot hold back his erection, and the two end up spending the night together. The next day, while Yosuke is working overtime alone, Yuri suddenly appears at his office...