Based on the erotic game by Lune.<br>
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Using a hypnosis device that he accidentally obtained, he corrupts the big-breasted female officers...! This assault reconnaissance ship Cheval has a secret... Aaron sniffs out rumors of [reducing the number of people] and accidentally discovers a [brainwashing hypnosis system] during his investigation. Knowing that people who are hooked on this hypnotic switch will listen to any commands, he brainwashes his female boss to find out the mystery, immerses her in pleasure, and tames her! The big-breasted female officers on the ship obey his command and perform forbidden personal training and guidance...!<br>
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(Source: lune-soft, translated)

Kyonyuu Onna Shikan Sennou Saimin