Don't Break the Original Work

When I opened my eyes, I saw an 'unfamiliar ceiling'. So far, so good. As expected of a 'romance fantasy' world, there were no hygiene issues, and I roughly remembered all the original story's content. Anne Agnes. Her role was quite decent too. Sure, she was in the villainess position, but her misdeeds were just petty acts of sabotage driven by jealousy. With looks, family background, nothing lacking, I figured I'd just follow the original story moderately and then go find my own life. There was just one problem. Why, of all things, did it have to start from age five? "Evil spirit, get out of Agnes's body at once!" Suddenly, I had become a tiny, chubby little kid whose fine motor sk...