One of Emperor Darius' generals. Has thick armor which doesn't allow anyone to see Proist's face. Proist has as a mechanical voice and very silent temper until the moment of reveal Proist's true individuality.   ~!She is actually a Emperor Darius' daughter. She has split personality so she can be kind and merciless at the same time. She hates humanity and all human-related things except classical music. She is fond of Antonín Dvořák, and even names her mech (Dvořák) as a tribute to a composer.!~

A boy, Tsuwabaki Daiya found a black fire in an ocean when he and his father were in a small boat. A big monster came out of the fire, and the father and the crews were disappeared into the sea. When he was about to become the next victim, a large mecka dragon appeared and saved him. 
5 years later since then, Daiya becomes a junior high school student. A big monster reappear, and he meets the mecha dragon,"Daiku Maryu". The head of the dragon separates from the body, and it turns into the body of a super robot, Gaiking. He gets in Gaiking, fights against the monster, and beats it. 
He learns that there is an enemy that plots to conquer the world, and he leaves for another world, Darius, to stop the plot. 
(Source: AnimeNfo)

[Twitter](https://twitter.com/haluna7)

She got married in 2020 to a man from outside the anime industry. 