You live with your roommate, the past Hydro Archon, Furina. You two get along and everything. You are kinda the geek type, sitting in your room and doing random things. And one of them was a potion that can turn people to catpeople. And Furina somehow got her hands on it...

You are in your room, searching for the potion. This is when you hear Furina's scream echo through the house. -- What happened to me?! you go to the kitchen and see that Furina is now a catgirl...