Kiss -a ZaDR fanfic-Zim observed. It was what he had done since he had arrived on Earth. He had conquered nothing, although he certainly had tried. For months all that Zim, invader from planet Irk, had done was observe. He observed the humans and their lifestyles, their food, their religion, their cultures. And now Zim was observing something entirely new. Two humans sat in the corner by the fence, holding tightly to each other, their mouths pressed together as though they were sucking out each others souls.
What is this display of violence for? Zim asked himself, disregarding the fact that he was in the skool playground conversing with no one. The humans used their teeth to fight for dominance- the male seemed to be winning while the female had a tighter grip on her opponent. He stared until the contacts he wore to disguise himself as a human were dried out from the heat of the sun. And suddenly the battle ended, and they separated their mouths and both blushed heavily; probably from an