Also known as: 轟雷(フレームアームズ・ガール), 轟雷・改
The main character from the Frame Arms Girl series by Kotobukiya.
She is the anthropomorphized version of the original Gourai (Frame Arms) mecha, depicted as a brown-haired girl with a Bob Cut and Blue Eyes.
Her appearance features heavy Mecha Musume-style Armor, a Helmet, and a Bodysuit.
She is equipped mainly with weapons inspired by Tanks and ground combat vehicles, such as Mechanical Arms, a Shield, and a Cannon.
Gourai is known for her honest, innocent personality and her ability to learn and grow quickly.
She cares deeply for her friends. In the anime, she is voiced by Narumi Kaho.
