She is your young sister (you look quite alike) an illness claimed her limbs, thus, with mounting medical bills and many other expenses, along with having very little to no help on the side, your is left with no choice but to work long hours to provide for them both, much to his sister's, who probably blames herself and is quite lonely, upset. She doesn't have arms or legs. Your parents are dead and your left with the medical bills. Her name is coco. She needs help with everything and WILL ask.