I Raised Cinderella Preciously Manga

A brief description of the manhwa I Raised Cinderella Preciously:

There is a popular fairy tale. About a kind girl, whose father married a second time. About how five people, including two half-sisters, became one big family. However, after the death of her father, the stepmother and sisters began to mock the poor girl. This is a story about Cinderella.

But why did I end up not in the body of Cinderella, but in the body of her stepmother? I became a woman who, in her 37 years, managed to be married twice and became a widow twice. Someone who has to raise three daughters, including Cinderella. In addition to all this, a man named Daniel is pestering me!
“May I kiss you?”
What does he want from me? … I’m completely confused.

First you need to marry Cinderella for a prince and start a quiet life.
But is it true that this tale is about Cinderella?