Captain Seia Onoue is a character who appears in the Brave Police J-Decker series.
Seia is a Colonel in the Land Defense Forces, and Captain of the Northeast Battalion, 9th Division. She takes her duties very seriously and is devoted to the men and women who serve under her command, including her younger brother. She originally met the Brave Police when during a joint operation to contain a genetic experiment nicknamed Gawn who escaped and ran amok. She would later work with the Brave Police again numerous times, and could be considered one of their closest allies and friends.
She shares a special bond with McCrane.