Gravatitan a super robot protecting Gravitron City mas of the strongest metal in the universe kierro, piloted by Gravuitas an enhaced android. Gravuitas is supported by her butler Hokkan, Monanitas the Maid, Jeek the student, Kora the Catgirl, Jyuna the student and Jerona the Pop idol. Together they fight against the evil mastermind Grokkas and his evil crew.
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