This is a little bit easier (to me at least, beacuase I'm blonde!) than getting Anima. What you need to do is get Yojimbo and Anima first, and second you need to capture all of the required types of beasts in Mt. Gagazet, and return to the Monster Arena in the Calm Lands, and he will give you the Blossom Crown, then you can NOW acquire the sisters. You need to go to the Calm Lands and go to the hidden Remiem Temple that is located EAST of the enterance of the Calm Lands. You need a Chocobo to get down to this Temple. (Fun HUH? ....yeah riigghtt!) Anywayz, Go into the Temple, SAVE FIRST!!!!, then go inside and confront the summoner, Belgemine. Deafeat some of her Aeon's, and she will give you the Flower Scepter.
IF you Continue to fight Belgemine and deafeat all of her aeons, she will reward you with some really cooliolio stuff! So I'd suggest you make your aeons really really strong and SMEAR HER FACE INTO THE MUD!, and I mean that too....HAVE FUN!.....
Also, here you obtain the Cloudy Mirror, but you'll have to look at the Ultimate Weapon/ Celestial Mirror section for this buddy, sorry, go look, now BUH BYE!