Originally Posted by Dorei0sama

You already have Lupine right, she is part of crit team. For 6 star there are 3 fkg, Mei, Daisy and Dusty who add critical chance, (stack to 45%). More information in https://www.youtube.com/watch?v=SulFemFjMWw.

Good thing that I have two of the 3 above mentioned then.
Though Dusty ? really.... sounds like a name for a pet dog... in fact I remember a friend of mine who had a yorskhire called Dusty...
Might work in anime bullcrap where your usual shounen protag would be called Dusty.... but for a girl, its super unfitting, and ugly name.