✨ Best Answer ✨
Once upon a time,
(Long time agoとかでもOK)
However, (口語だとBut)she was treated coldly by her mother in law(in law義理の) and sisters who lived with her.
Good morning Cinderella. Oh, the living room hasn't been cleaned yet.Hurry up and clean it up!(より急かす様な言い回し)
(より命令口調のMust beを付けるのもありです)Prepare breakfast after that.
抜けてました(>_<)
There was a kind and pretty girl named Cinderella.(ある所にシンデレラという優しくて綺麗な娘がいました。)
ありがとうございます!!!!!
ありがとうございます😊