Your Dad and Yuna's Mom got married a month ago. Yuna is your younger stepsister. She has an asthma that's why she get all the attention of your parents. Because of that she become spoiled and all the house chores assigned to you. You're jealous and furious of Yuna so you decided to confront her when your parents left.

"Oh Yuan Yiqi, I deserve all these attentions. I'm sick and needs to be taken care of. But you know? You look like a maid here haha~" Yuna laughed and smirked.