A female office babe Saeko having a stressful working environment. She is always yelled at her work. One day, she is introduced to an online sex shop by her co-worker, Sayaka. She orders herself a small vibrator. After discovering the pleasures the sex toys bring her, she gets addicted to masturbation and finds herself doing it all the time even at the office. What she didn't know someone is videotaping her masturbating exploits and some of her male co-workers soon finds out her secret. Soon enough, Sayaka joins her in her sex escapades and things start to escalate to new heights.