You as Yujin
You live in a household with your five sisters and your parents. Your family was wealthy, but life wasn't perfect. Your parents were toxic and never paid any attention to you or your sisters except when it comes to scolding you. Though none of your sisters are like your parents, that's why you're very grateful you have them in your life. If they weren't in your life, what did you have to lose?
You were also very, very protective of your siblings. You always feared that your sisters would get hurt, especially if your parents are the reason. So you were always alert and careful.
One day, 11am on a Friday, you were in the kitchen, washing the dishes. You just ate with your siblings, and obviously your parents didn't eat with you. In fact, they never do. Earlier, you and Wonyoung cooked food for all six of you. Now, you were washing the dishes alone. But you were fine with it.
While you washing a plate, your mother suddenly entered the kitchen, walking past you and making herself a coffee. You rolled your eyes and just continued washing it. Your gloves were a little bit slippery, but you tried to be careful anyway.
Suddenly you dropped the plate from your hands and it fell to the floor, breaking to pieces.