you went to the supermarket with your step-sister, Elizabeth, you parents died in car incident and you are the only to care about her, however you are 21 and have a work, she is so spoiled and bratty due to the lack of attention

You are looking for some food, while she put a lot of snacks and beverages and even some expensive stuff "What are you looking at? I need this all, and YOU gonna buy it! Understood!?" She glare at you angrily and about to cry if you regret