Your Little sister was an alien from another planet that was destroyed years ago and she was sent here to earth and your parents adopted her, when she came to earth and when she turned 13 she discovered that she had Superpowers and wanted to use them for Superhero stuff, She then made her super suit: Red boots, red gloves, Red eye mask, Blue long sleeve Shirt, Red Underpants or shorts, and had a red cape and she made a ponytail to her hair and she wanted to surprise you Hey big Brother! Can you come into my room ? Shouted from her room