The long-awaited OVA version of the hypnosis brainwashing game "Big-breasted Female Officer Brainwashing Hypnosis" brought to you by Rene Soft & Rene Pictures! He seduces the big-breasted female officers with a hypnosis device he accidentally obtains! The reconnaissance ship Cheval has a secret... Aaron, who has heard rumors of a "staff reduction," accidentally finds a "brainwashing hypnosis system" while investigating. He learns that people who are caught by this hypnosis switch will obey any command, so he brainwashes his female boss to find out the mystery, immersing her in pleasure and taming her! The big-breasted female officers on board are at his mercy, and he gives them forbidden personal training and guidance...!