Episodes. 12 + 7 specials. Aesthetica of a Rogue Hero (Japanese: はぐれ勇者の 鬼畜美学 エステティカ, Hepburn: Hagure Yūsha no Esutetika) is a Japanese light novel series written by Tetsuto Uesu and illustrated by Tamago no Kimi. A 12-episode anime adaptation by Arms aired between July and September 2012.
Hagure Yuusha no Estetica seemed like a very promising anime when I first saw it. Now that i've watched it though, i'll have to say that judging.