Tenshi

Special Operations Theta Four also commonly known as the Tenshi or the Watchers are a sub-division of Office of Naval Intelligence Section-0. They are a highly secretive and classified branch of the Office of Naval Intelligence's special forces, and are led by the White Angel.

Leaders

 * White Angel
 * Red Tenshi (de facto)

Primary Operatives

 * Blue Tenshi
 * Black Tenshi
 * Violet Tenshi
 * Green Tenshi
 * Gold Tenshi

Trivia

 * Tenshi (天使) is Japanese for Angel, which reflects their "guardian" nature over the main characters, as well as how ONI (Oni (鬼) being the Japanese word for Demon) is typically shown as an antagonistic force.