Spring 2012 Manga to Anime adaptations

Acchi Kocchi:

Wouldn't you just love to poke in a relationship between two high schoolers who have a subtle distance between each other? Of course you would. Tsumiki and Io have this subtle distance that anyone would want to jump in between just to bug them. That's what the other characters are there for. Tsumiki, being a tsundere and all, won't be honest about her feelings toward Io. Io on the other hand is unaware of Tsumiki's feelings, hence the subtle distance between the two. Now, let's watch these two and see what events await them... 
(Sources: Mamo, Mangahelpers)                                        
4Koma manga series being adapted into Anime for the Spring 2012 Season

Zetman:


Jin is a mysterious kid with an angel mark on his forehand. He lives a poor but peaceful life with his grandfather, along with the other destitute and abandoned outcasts near the river. One day, his peaceful life changes when a strange monster named "player" appears, cleaving off heads and killing everyone who appears in front of it.