A new office lady, Yuua Nanami, was being abused by her mean senior colleague. One day, she accidentally discovers her 'senior's weakness.' To vent her pent-up frustrations, she decides to exact revenge in a brutal way. She exploits her boss's vulnerability and secretly performs cock torture in the office. Ultimately, she sets up a vicious trap as an example, making him masturbate publicly in front of the female department head…！！
