Seelevolleri Stories

What if Y/n is Raiden Mei Little Sister and have the power of the Raiden Shogun from Genshin Impact. Y/n is a caring little sister for Mei. But sadly they got separated during the attack at Nagazora. They finally got reunited at the St.Freya. How things will go for both of them when they meet each other again? Important note: In this au Otto is nice he already accepted the fact that kallen is gone. Disclaimer: I dont own Honkai impact or Genshin characters they belongs to HoYoverse