Hyper Speed GranDoll

"Hyper Speed GranDoll" is a three-episode Original Video Animation (OVA) series from the mid-1990s that combines elements of the magical girl and mecha genres. The story centers around Hikaru Amami, a high school girl leading a normal life until she discovers that she's actually an alien princess from the planet "Farea". She is gifted with a power suit that transforms her into GranDoll, a warrior with superhuman abilities. Armed with her new identity and powers, Hikaru is tasked with protecting the Earth from other alien forces that threaten to invade it. As she fights off these threats, she also has to deal with the challenges of maintaining her normal life and hiding her identity from her friends and classmates.