if you havent seen this I recommend you
Danganronpa, Nekomonogatari, Bakemonogatari, Ayakashi, Shiki, Corpse Party, Shigofumi, Canaan, Sankarea, No. 6, Hellsing,
Ixion Saga DT, Kamisama mo Inai Nichiyoubi, Yozakura Quartet, Higurashi no naku koro ni, Deadman Wonderland, Elfen Lied, Ergo Proxy. Nurarihyon no Mago, Noragami