-Naruto/shippuden -fairy tail -soul eater -fruits basket -bleach -black cat -ao no exorcist -ouran high school host club -high school of the dead -kaichu wa maid sama -the melancholy of haruhi suzumiya -death note -vampire knight -kekkeshi -k-on thats all i can think of right now
I think that you should watch "Kill Me Baby!". It's an anime about a high school girl, an assasin, and a ninja (who comes into the plot in episode 2 or 3). Though it's only 8 episodes (If I remember correctly), it's still a wonderful anime.
inu x boku ss that the best anime iv ever seen the anime is not that popular cause befor a week or madami it was on going series...here the main character picture: