UPDATE
Just a little update to say I've uploaded the first chapter to my AU fanfic featuring Klaus and Caroline called Memories. Go check it out now! Here's a little snippet for you.
Caroline backed away towards the door of the class but her back collided with something hand. A pair of arms wrapped round her waist before she could fall.
She relaxed in the arms of the unknown stranger before standing up to thank the person. She brushed off her clothes before meeting the gaze of the person who had saved her from an embarrassing fall.
She was met with the face of the man who had plagued her thoughts and dreams as much as possible. The stranger smirked at her and stuck his hand out as a greeting. Caroline took his hand and he brought it to his mouth, leaving a tender kiss on her skin. He released her hand and she took this as her cue to introduce herself.
"Caroline Forbes," she smiled softly.
The stranger smiled in response. Not the kind of fake smile that didn't reach his face, a real genuine smile and it definitely suited him.
"Call me Klaus."