Kyonyuu Onna Shikan Sennou Saimin

Once a test pilot, Aaron is now a maintenance tech aboard the battleship Chevalier, which is not exactly a glamorous career arc. While doing routine work on the ship's systems, he stumbles onto something he absolutely was not supposed to find: a hidden hypnosis device built into the ship's infrastructure. What he does with that discovery drives the rest of the story, and it involves Captain Maria Lawrence and her fellow female officers in ways that get very adult, very fast. The sci-fi setting is genuinely committed — there's a real sense of hierarchy and military structure aboard the Chevalier, which makes the power dynamic stuff land harder than a generic setup would. The character designs lean into the military uniform aesthetic, and the two-episode runtime keeps things tight rather than overstaying its welcome. If you've watched Kangoku Senkan and enjoyed the combination of a believable institutional setting with mind control themes, this hits a similar note. Fans of Shoujo Senki Brain Jacker will also recognize the appeal of a sci-fi backdrop used to frame this kind of content. It's adapted from a visual novel, so there's more narrative connective tissue than you might expect from a short OVA — actual scene-building, character context, that kind of thing. It's a hentai first and a sci-fi story second, but it takes its premise seriously enough that the world feels lived-in rather than just wallpaper.