genshin impact reacts to aethers past lives

warning aether and lumine have harem you get the jist aether has all the girls lumine has all the boys basic stuff aether is a dense protagonist type not realizing all the girls have a crush on him also it's MY au so let's say that lumine and aether are about 13.8 billion years old really old ikr? that's older then my grandma he does change throughout the story a lot