Also known as: 調月リオ(臨戦), 調月リオ(戦闘服), 调月莉音(战斗服), 臨戦リオ
The Black Bodysuit Official Alternate Costume of Blue Archive's Rio (Blue Archive), as seen in the game's sixth PV for Decagrammaton's episode.
The weapon shown in the image is Springfield Armory Mil-Spec M1911A1.
Costume artist: Paruru (Nexon) (original design) / Gom (Kooskoo) (in-game art)