Big-breasted office lady gets creampied during overtime! She works at a major company in Tokyo and usually works with a cool face, but she volunteered to appear in an adult video to vent her sexual frustrations. People who met her for the first time say she's sadistic, but inside she's a masochist. Mio Mio with joy as she is blindfolded and tortured with a vibrator. She reveals the lewd side of things she never shows at work, and becomes a bitch who happily accepts creampies...