Chronicles of the Keyblade Book 4: Poisoned Pasts

Finally, a time to relax! And Emily is trying out her first ball. However, Evil doesn't relax. Durring the fun, there's an ambush and Emily is poisoned! It's up to Ty, Riku and Roxas to split up to find the ingredients for a cure. Ty goes to the world of Pokemon where there's a healing spring, guarded by Mewtwo. But time is running out for Emily.