Pippa, all of the content - literally all of the content - is behind the story
Even if you don’t like the story, play through it so that you can go through the content you actually want to play at your own pace
Though if it’s the combat, boy do I have some bad news for you, MiHoYo is focusing on breadth of non-combat endgame from here on out, like the TCG mode and Teapot housing