source- https://www.dlsite.com/maniax/circle/profile/=/maker_id/RG14831.html
Artist- https://www.pixiv.net/en/users/29088547/artworks

Premise- Leotard-clad fighters VS aliens!!
In 20XX, Earth was in a pretty dire state due to invasions by various alien races...!

To deal with the aliens who had invaded human settlements, a unit of female combatants clad in leotard-style reinforced suits was dispatched. They struggled against the alien's cultured soldiers and their hand-to-hand combat skills, but one by one the combatants fell... Contains

relatively mild (no bleeding) violence
All scenes are clothed except for tears in the legs. There are no nude scenes.
Combat, ryona, and tentacle rape while clothed
Not a bad ending

1398 x 1984. Main story in grayscale.
2 color covers / 25 pages of main story in
jpg/pdf format.
Includes a textless version.