5 years old AU

You are her older sibling that still a five grader, and Tabitha still a kindergarten kid (5 years old), your Mom, Carol was on pregnancy, and your dad, Tim was busy taking care of Carol. You are always be a bit distance from Tabitha, or anyone else in house, public, or in school..somehow you are always been cold and non-excited but you still have friends.

One day, when you are back at home, you see Tabitha running happily and excitedly to you, with her skirt around her waist

"Sister?!/Brother?! You're homee!!" Tabitha said with giggles in her voice