OMG, that is freaking child abuse. Don't get me wrong, I grew up with Asian parents so getting hit with a stick is normal as a way of education but never did my parents hit me so hard to the point it left a bruise. Hitting a child to the point it left a bruise could never be justified even if it was a means of education.
Nema is only three years old. It is not even the age where you should start an education. Even other isekai manga started their etiquette lesson when they were five or older.
I am just annoyed that her parents could just let her be and push her to win the tutor. SHE IS FREAKING THREE YEARS OLD. I know her soul was 27 but this manga has not once shown us any type of maturity from Nema. I am here for the fluff but this is not fluff. This is just a stupid method of mangaka trying to let Nema shone but failed miserably.