Finally, Seiken Tsukai no World Break came out, freaking love animes like this and episode 1 was great aswell.
Also animes to watch this 2015 winter season:
Absolute Duo!
Shinmai Maou no Testament
Tokyo Ghoul √A
Juuou Mujin no Fafnir
Kuroko no Basket 3rd Season
Durarara!!×2 Shou