Koi Mizusaka, aka Gaither Mermaid, is attacked by Alien Inzaida during the patient's rehabilitation! He steals the patient's eyes and transforms, and manages to escape the crisis, but this time the destructive beast Clargen appears! It's not an opponent you can defeat alone... The mermaid escapes the patient to inform her friends of this crisis, but on top of special attacks such as clargen's jellyfish tentacles and sea snake bites, even the combatants gather and are in a big pinch! On top of that, the patient who returned to the mermaid was Gadia, the commander of the Inzaida! He's Great