She is an Artificier. She is very skilled at making Artifacts and was even able to make the legendary Temper Root Water.

Are you a victim of unwanted spirit possession? Is there a ghost you need sent up and away...or down to burn for all eternity? If the answer is yes, then you need Muhyo and Roji, experts in magic law. Serving justice to evil spirits is their specialty. 
(Source: Viz Media)

The second season of Muhyo to Rouji no Mahouritsu Soudan Jimusho.

Are you a victim of unwanted spirit possession? Is there a ghost you need sent up and away...or down to burn for all eternity? If the answer is yes, then you need Muhyo and Roji, experts in magic law. Serving justice to evil spirits is their specialty.
 
(Source: Viz Media)

Yuu Abiko