Is Queen's Blade: Rurou no Senshi Specials hentai?
English title: Queen's Blade: The Exiled Virgin
No
Rated R+ (Mild Nudity) on MyAnimeList and not tagged as Hentai.

Special · 2009 · 6 episodes · R+ - Mild Nudity
Action, Adventure, Ecchi, Fantasy
Special episodes added to DVDs and Blu-rays.
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