Jiwu

Jiu was formally a Single Digit and Secret Agent of the Eastern Empire who posed as an ordinary adventurer to join Masayuki's party. While outwardly she appears like a normal adventuring girl at first glance, and acts in absolute awe in Masayuki, this is merely a persona she puts on when undercover. In reality she is cold and calculating with a ruthless demeanor towards her opponents.

After her resurrection, she joins the side of Demon Lord Rimuru.

Background
Originally a Single Digit of the Eastern Empire and a personal guard of the Emperor. Acting as a secret agent, she alongside her fellow single digit, Bonnie was sent on a mission by Damrada to watch over and protect the Hero Masayuki, resulting in her joining his adventuring party with Masayuki none the wiser of her true intentions and identity. At the same time she was also instructed by Lieutenant Kondo to assassinate the Demon Lord Rimiru during the Empire's invasion on the Jura Tempest Federation, disregarding her original task of protecting Masayuki. After her failed attempt she and Bonnie were killed by Diablo in their escape before Rimiru resurrected them and stripped their power.

After witnessing Rimuru perform the miracle of reviving the Empire's entire invading army, she decided that there was nothing for her to do but serve him.

Abilities
Although posing as a simple spirit magic user, Jiu was actually a fully evolved Human Saint who specialised in magic used to assassinate strong opponents. In combat, she was skilled enough to even keep the Hero Chloe/Chronoa on her toes.

After her resurrection, all of her skills and most of her magic abilities were stripped away from her. Despite this she remains close to an A rank in terms of power.