Megumi Misaki

"Blue Dolphin!"

Biography
A top class student at Academia who got involved with Yuusuke and Jou for some reason and did powered suit research with them and the late Yano Takuji and Aikawa Mari. Good at swimming.

Years later, Megumi fought alongside not only her own team, but every single Sentai ranger in existence, against the Empire of Zangyack when it attacked the Earth in the Great Legend War. After fighting against hundreds of Gormin and their Zgormin commanders. Kaijou noticed the fleet moving towards them, he gathered all the Rangers together and gave them the order to sacrifice their powers to wipe out the first invasion's armada.

Mecha

 * Aqua Dolphin

Arsenal

 * Twin Brace
 * Live Blaster
 * Dolphin Arrow
 * Moto Dolphin