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Cassandra Finn and also Foster.
Cara has strong feelings for Finn, and also Frank.
Finn holds a special place in the heart of Cathy, and also Foster.
Cara being with Fred and Frank.
Phineas Cathy, and Ferb.
Candace shares a bond with both Fred and Frank.
I hope you find these variations helpful!
Phineas and Ferb the Movie Candace Against the Universe
