The main character, Chelsea Rosedale, who had been living the life of a villain, after her engagement was broken, she was sent to a monastery while accidentally losing her life in the way.

The next moment she woke up, Chelsea realizes that she somehow slipped into her childhood, at the age of eight.

This is a story of a villain girl who got a chance to start over and aims for a happy future with an adventurer who truly loved her for the last week of her previous life.