Rika Usui, a beautiful-feet office lady who was betrayed and sexually harassed by her boss, a man with a pantyhose fetish, and experienced regret and climax. (FSDSS-816)

Rika Usui is blackmailed by her ex-boyfriend with old sex tapes, demanding a large sum of money. Disturbed, she's then confronted by her boss, who intervenes and resolves the situation. He successfully retrieves the tapes, and she thinks the matter is over. However, her boss suddenly changes his attitude, revealing a preference for stockings, transforming into a perverted boss who exploits her vulnerability, leaving her powerless to resist…