senran kagura
A video game series produced by Marvelous Inc., and illustrated by Yaegashi Nan. With a TV anime adaptation aired from January 6th to March 24th, 2013. The series features various shinobi (female ninjas) from various clans and schools who battle for supremacy.
Rather (in)famous for large amount of fan services, particularily its trademark "cloth-breaking" gameplay mechanics and featuring numerous female casts with large breasts.