Zoe, Karina, Bridget, Kiki, Renee, and the others are back ready for action. And to defeat Dren, and the Cyniclons. One day, a girl name Brittany D'lite came to the Mew mew cafe. And she ordered a birthday cake for her friend Hiromi. But after she was leaving, Elliott Grant caught Brittany a mark of a butterfly on her wrist. She quickly pulled her jacket sleeve so that everyone won't see. Elliot was curious, because what the others didn't know, is that Brittany is a super hero too. And has an Animal Instinct of a butterfly. She has a team called The Butterflies. She is the leader of 5 friends. Monica, Hiromi, Angela, Haru, and Bella. They also have a cute little Weasel named Rosy. But when the Mew Mews met the Butterflies. They secretly team up together to defeat Dren. They nevered told Elliott and Weasley of the secret. Will they succeed. You are about to find out...

It's been several months now since the Tokyo Mew Mews defeated Deep Blue, a mysterious being intent on ruling the planet and wiping out humanity. The Mew Mews won the battle in the end, and peace was restored. That is, until a new enemy arose. This group of aliens, known as the Followers, believed that Earth was destined to be theirs, and would stop at nothing until the blue planet belonged to them. It looked to be grim for the Mew Mews, until a shocking discovery rocks their world: there's a sixth Mew Mew! And she could very well hold the key to finally defeating the Followers. But this sixth Mew Mew has no idea of her powers, and the very idea of fighting monsters terrifies her. She just wants to be a normal girl. However, she finally joins the team when a monster attacks her home, and the other Mew Mews drive it off. Things seem to be okay, until she realizes that she's falling for someone, none other than Elliot! But does he love her back? And what happens when she joins the the war against the Followers? Join the sixth Mew Mew as she uncovers the truth behind her identity and past, fighting for those she loves the most. The fate of the world once again rests in the hands of Tokyo Mew Mew.