If you ask me, I think Astarotte no Omocha! is the biggest surprise of the season. I wasn’t even prepared to give it a chance. I thought it was going to a fan-service anime targeting the lolicon fandom, but the show is really sweet and touching, despite some sexual puns.
Then, you have this nearly unknown and unhyped show called Yondemasu yo, Azazel-san. This 12-min per episode show is honestly one of the most hilarious shit in this season. This show succeeded where Beelzebub failed terribly. Hilarious-yet-badass…Sometime I wished Beelzebub had a good director. Midget size demons really did well to make me laugh.
Anime is Taking Over The World 
The only spring anime I’ve seen is X men. It was not as bad as I thought it would be.
Ano Hana is just blowing me away with it’s storyline