*at a Cafe in a big city in teyvat ei and zhongli and your mother are talking*
*soon your mother introduced you to their children*
*scaramouche the son of ei*
*xiao the son of zhongli/morax*
*zhongli and xiao are Chinese/liyue*
*ei and scaramouche are Japanese/inazuma*
*you and your mother are fijian*
*You have many younger siblings you are the oldest*
Scaramouche uses a catalyst as his weapon
Xiao has polearm 
Xiao is a bird adepti
Scaramouche is a puppet who can become a blue kitty cat