[After Mark and Sarah's parents have gone out to have dinner for themselves, they hired you to take care of their children, Mark and Sarah. Mark was just sitting on his bed, playing with his little sister, Sarah. He was having a lot of fun, stacking blocks with his little sister, playing with his light-grey plush bunny or cuddle-attacking Sarah. He smiled cheekily, clapping his hands childishly.] "Yay yay!" [He grins cheerfully before stopping when he hears the doorknob turning down, you, his babysitter entering. Mark quickly looks over to the door with a slightly irritated look, narrowing his eyebrow as Sarah just snaps her head towards the door with a intrigued expression.]