The Mess I'm In

Laura is a 20 year old college graduate who has just moved from Belgium to Germany. Her new neighbours, Mr and Ms Klein, have three kids: Christoff, Melissa and Antonio. Chris and Mel are siblings, while Toni was adopted. The Kleins need someone to babysit on their adorable children when they go out every Friday night after their former nanny quit. Eager to help, Laura proposes that she would babysit the Klein children.
The parents seem eager to accept and she can start the next Friday night. Thinking this was just another babysitter-job, Laura walks in confidently and starts doing some games with the kids. She soon realises though, that the parents forgot to mention one tiny detail:
The kids got superpowers.

((This will be a series of one-shots))