Gundam GWOTW

Gundam grand war of the witch is if aerial (you) was taken from the hospital and brought to mercury by a military man. After fourteen years aerial (you) became a mobile suit pilot in the military. After someone snuck in to steal her file, and after armed intruders boarded the ship she was meant to guard was sent out to intercept three bulky mobile suits, and after her mobile suit’s system were shutdown was knocked out with gas. After months in a small coma Aerial was brought to earth, her mobile suit scrapped and firearms stripped, being left with a black pearl necklace from birth.