"I came while being watched..." Yaesu, who works an office job, has a secret crush on Ryoko Emuta, his beautiful, capable colleague who's out of his league. One day, when he walks her home after she gets completely drunk at an office get-together, he ends up finding out her shocking secret...! Believe it or not, Ryoko's actually a perverted masochist who goes to work wearing a vibrator and chastity belt...! "I always hoped I might find a sadist who’ll bully me... Maybe that’s you..." she says in response to being found out...!! Dripping wet and with her nipples hard, Ryoko can't fight her masochistic desires. Despite her embarrassment when Yaesu plays with her sensitive spots, she can't stop her naughty juices from flowing out...!! Seeing her like that, his arousal heightens, and his teasing becomes more and more intense...!!