Hyper Speed GranDoll(1997)

Hyper Speed GranDoll is an anime series following Hikaru, a high school girl who believes her life is ordinary—aside from having a mad scientist father. Between daydreaming about her crush and watching her favorite superhero show, Hikaru's world shifts when her hidden past surfaces. She discovers she's the last surviving member of a royal bloodline from a distant planet and has unknowingly been guarding the ultimate armor, an artifact capable of determining the fate of the entire galaxy. As her true identity emerges, Hikaru must navigate her newfound destiny while grappling with the weight of galactic consequences.