Good action romance anime?

[eXtRa BaRb WiRe]

I need shows that have the guy protecting the girl like zero no tsukaima, where the guys pretty much a badass. When he gets angry or the girl he loves or his friends are in danger he protects them, or if they get hurt he unleashes hell. They can have powers but I like a school-ish setting, that's why I'm such a fan of zero no tsukaima, also shana no shakugan. I like romance, or harem
Please don't include any mecha anime
Please don't list any of the following
Any dragonball series
Bleach
Naruto season 1 or 2
Samurai x
Kaichou wa maid sama
Midori days
Fairy tail
One piece
Any code geass