Here is My Favorites:
Toradora
Aldnoah Zero
Clannad
D-Fragments
Gekkan-shoujou Nozaki-kun
Golden Time
K
The World God Only Knows
Kokoro Connect
K-on
Mirai Nikki
Oregairu
School Rumble
Seitokai Yakuindomo
Steins Gate
Durarara!
Hayate no Gotoku
Kore wa Zombie Desu ka?
Toradora
Aldnoah Zero
Clannad
D-Fragments
Gekkan-shoujou Nozaki-kun
Golden Time
K
The World God Only Knows
Kokoro Connect
K-on
Mirai Nikki
Oregairu
School Rumble
Seitokai Yakuindomo
Steins Gate
Durarara!
Hayate no Gotoku
Kore wa Zombie Desu ka?