User blog comment:Mouseinphilly/Crossing Over: What Would You Like To See?/@comment-5207205-20130731175524/@comment-5207205-20130808192001

The Kingdom Hearts series is a lot different, in Kingdom Hearts Birth by Sleep Phineas takes place of Ventus, when Master Xehanort tried to make Phineas forge the X-blade but fails to do it, then Master Xehanort frees the darkness and heart out Phineas creating Phil-eas (of darkness, causes the Unverse to exist, and a villain), and Ven-eas (Ven for short, of heart, friends with Terra and Aqua, a hero, and pupil of Master Eraqus), then Master Xehanort leaves Phineas sleeping on Destiny Island closed by Danville, because he has no heart intil after the X-blade is destroyed, Phil-eas is no more, and Ven-eas returns his heart to Phineas. And Ven-eas is asleep intil someone wakes him up in Castle Oblivion. When Ven-eas was traveling arould he found Destiny Island and Terra followed him then they found the star shard that belongs to King Mickey and footprints of Phil-eas who might have capture him, then they found Phineas who was sleeping because he has no heart then Phineas's friends and family came and found Phineas, Ven-eas, and Terra. Until then the star shard was glowing and transported Ven-eas to The Mysterious Tower and Terra tried to follow him. Then Aqua visit Destiny Island and finds Phineas with his friends and family. And when Ven-eas find the truth about himself Master Eraqus tries to destroy him, intil Terra saves him and sends him back to Destiny Island while Terra fights his own father, then Phil-eas was there told Ven-eas the truth that he and Phil-eas came from him. And after Aqua left Destiny Island she found King Mickey and return him to Master Yin-Sid, and she hears that Master Eraqus was defeated by his own son Terra. Then Terra, Ven-eas, and Aqua all went to the Keyblade Graveyard to battle Master Xehanort and Phil-eas (also Braig). When the X-blade was almost forge, Ven-eas destroy the X-blade and Phil-eas. After that Phil-eas was still alive in Ven-eas's body and the X-blade is completed, then Aqua and King Mickey fight Phil-eas intil Aqua uses her wayfinder to power up and destroyed the X-blade, and Phil-eas is no more, Ven-eas's heart returns to Phineas, Phineas is awake. Then Aqua returns to The Land of Departure, where she put Ven-eas to sleep in peace and turns The Land of Departure into Castle Oblivion. Then Aqua went to find Terra in Radiant Garden but Terra body was stolen by Master Xehanort. Then when Terra tried to fight back his uses Xehanort's keyblade to free his heart, but then Aqua tries to save Terra from being trapped in the Realm of Darkness, but then she sacrifice herself to save Terra and she is trapped in the Realm of Darkness. Back at Danville when Phineas and Ferb were looking at the stars at night in their backyard, they were about to go inside then Phineas was crying for some reason then there were lights it was actually Terra and Ven-eas's hearts then Ven-eas's heart went inside of Phineas and Terra's heart went inside of Ferb. And when Aqua was in the Realm of Darkness she starts to remember everyone she met.