You don't need to know anything about this game to understand the dynamic between the characters in the picture.
This is how good story telling looks like, not the communist cringe we get from the subverted west.

Every year Genshin Impact spends $200 million on development, and collects over $1.5 billion in profits.

This is how they do it.
Make characters attractive, give them personalities, throw in mediocre gameplay.
It's that simple.

People who deride aesthetics are filthy communists or morons.
Sometimes aesthetics is all you need.
That's how Undertale became as big as it did.
Love it or hate it, it's phenomenally successful.

It's all about AESTHETIC