Main problem: it is mono cats deck, with low amount of damage dealing threats, and almost all of those are pure damage(no Life Reduction, only a single Poison card).
SoA turns almost everything into a non-threat, and you are often screwed if the opponent is a Roots/Gheist with has some potent damage reducers/life gain available; Piranas and Nightmare run straight through your defenses.
I'd try to improve it by changing 3 of the cards into another clan.
ElitePow is spot on. Say you lose round 1 with Muze and Win a round with Lois Ld, where are you going to find another card that can win a round against atk manips? If you ever over pill anything, you are in big trouble, if you concede a big lead, you are in a different sort of trouble (you will need to win both remaining rounds with may 2 or 3 extra pills, that implies guessing exactly how your opp pills)
To me, pussycats is either about putting big life swings in so that 1 round decides the match (Ditha is my fav for doing it, and Ella makes it easier to end the game in 1 round via a Ditha), or have every card trying to win 2 rounds (that means no Charlie), or put it in a half deck.
Yeah mate your going to be sucking SOA's ballsack with most of your draws. Even SOB will be a pain
It gets uglier vs Freaks/ Jungo who are going to pummel your cards into the ground
Id advise dropping Lois Ld to maybe Noemi? Then getting Ella or Wanda up a star..even Candice is OK as she gives you some damage.
Keep Charlie shes awesome!
But all in all id do this
Wanda, Ella, Lois Ld, Charlie> Another clans cards Uppers IMO are great with PC