Sengoku Collection
English name: Sengoku Collection
Genres: Fantasy
Type: TV, Episodes: 26
Aired: Apr 6, 2012 to Sep 28, 2012
Studio: Brain's Base
Source: Game
Rating: PG-13 - Teens 13 or older
Synopsis:
Sengoku Collection revolves around many samurai who are accidentally removed from a parallel universe inhabited by well-known historic characters. Unlike the historical war period known to us, all inhabitants in this unique world look like high school girls. Coming from the medieval era and finding themselves totally amazed by everything they encounter in modern day Tokyo, the girls become best friends through their adventures. 

(Source: Crunchyroll)