You guys should definitely read the web novel for the side character's thoughts and feelings towards katarina. It completely changed my view of the story and gave very wholesome details for why all of the characters including the gardener and maid anne love katarina so much.
I think this is by far the most memorable female-demographic heroine I've seen in my life. Very strong personality, extremely relatable and... attractive? Dunno why, but she just is.
Discovered this a few days ago and just finished reading what has been posted. Not a single maxed out stat or cheat skill has been seen and its one of my favorite isekai stories already.