Its all awesome, but I think the Ninja Girl Power one is the best.
Check out this CG collection of an American ninja with a muscular physique.
You can choose to view the muscular heroine in her full outfit, tight underlayer or full nude in impressive struggles with a powerful humanoid opponent, helpless in chains, and showing off her might by lifting a car over her head.
23 base images with costume options for 85 total works 3 sizes: 800x600, 1280x960, 1600x1200 Further available in simple PDF format
https://www.dlsite.com/ecchi-eng/circle/profile/=/maker_id/RG11347.html
Its all awesome, but I think the Ninja Girl Power one is the best.