Summary
At School, Amy love listen to her song. But now Dr.Looper is here having he's lesson with his class students, George ask Amy to put her music away. Dr.Looper to ask his students about what is H2O, Amy try to answer with Dr.Looper. But she can't remember the question, George know its water. Andy & Greg try tell Amy don't worry about the question, but Amy knows that she is fail. At Gumer's ship, Vesper tell Master Gumer that she got a new monster and her name is Lyxer, Gumer is happy. But he wants Vesper take Scorpio with her and Lyxer, Scorpio like that so much. Transer tell them good luck, Vesper knows this is girls fight. At Looper's lab, Amy bit sad that she got all wrong with her lesson. Andy know that him and Greg will help her, Dr.Looper tell Andy and Greg that Vesper and Scorpio are in the town. Amy try to tell Dr.Looper to sorry about him that she didn't listen what the question about H2O, Dr.Looper tell her that he needs to concentrate with riders. Vesper, Scorpio and Lyxer to see Andy and Greg are here, Greg tell them is this girls fight?. Vesper know that he is right, so Andy and Greg transform to Kamen Riders and fight to them. Andy fighting Scorpio and Lyxer, Greg fighting Vesper. But Lyxer is going to use her claw and scratch Andy's body, and Scorpio to attack Andy. Lyxer going to help Vesper and she going scratch Greg's body as well, Vesper, Scorpio and Lyxer together to attack Kamen Riders. But Amy is here to help Greg and Andy back to Looper's lab, so Scorpio, Vesper and Lyxer going back Master Gumer. At Gumer's ship, Lyxer tell Master Gumer that she attack the riders, but Amy help them. Master Gumer tell her that she needs to fight them again, so Lyxer will do that. At Looper's lab, Amy ask Dr.Looper that Andy and Greg will be alright?. Dr.Looper tell her they will be alright, and he will say sorry to Amy that it's his fault. Amy tell him don't worry about it, but now Lyxer is at the city. Dr.Looper to show Amy got very special for her and it's her own rider belt, Amy love it so much. Dr.Looper tell her that is Kamen Rider Aqua, so Amy will be ready for her first fight. Lyxer see Amy again, Amy will transform to Kamen Rider Aqau. So she is fighting Lyxer, and then she attack her. Lyxer trying to fight her, but now Amy using her own rocket launch blast. rocket launch blast straight to Lyxer and then she destroy, Amy was happy and she going back to see her friends. At Gumer's ship Vesper didn't like Lyxer at all, Scorpio was thinking going to help her!, but it was Master Gumer's idea. Master Gumer is not with them they own plan. At School, Andy and Greg was shocked that Amy is a Kamen Rider, Amy know that she will help them to fight Master Gumer and his army. Dr.Looper got nice cake for kamen riders, but George is here and he is say sorry to Amy. But now he is trip himself and straight to cake on his face, Andy and the others are laughing.