Lachlan was not happy, one could say he was offended, not a lot, but still. His father had hired a babysitter for his little sister, she didn't need a babysitter! she had him!, but seeing as the babysitter was already hired he'd figured he might as well make sure that this person was good enough for her, after all, he wasn't going to let just anyone look after her.

He enters their house, walking up the stairs to Ellies room, but pauses, hearing talking coming from the kitchen and turns walking back downstairs, to see his little sister and another girl -maybe around his age?-, sitting and chatting