She Professed Herself Pupil of the Wise Man (Manga) Vol. 12

MYSTERIOUS METROPOLIS

With a new lead on Chimera Clausen’s whereabouts, Mira and her allies in the Isuzu Alliance head for the mercantile city of Sentopoli. A transmission from Solomon informs them of a new energy source connected to spirit armor--clearly Chimera Clausen's doing. With the stakes higher than ever, can Mira convince some old friends to help out?Ryusen Hirotsugu is a Japanese writer best known for She Professed Herself Pupil of the Wise Man.

dicca*suemitsu is a Japanese manga artist and creator best known for Reversible!, Oto x Maho, Shin Seitokai no Ichizon, and the manga adaptation of She Professed Herself Pupil of the Wise Man.
 
fuzichoco is a Japanese artist best known for R.O.D - Rehabilitation; Hachinan tte, Sore wa Nai Deshou!; and the light novel version of She Professed Herself Pupil of the Wise Man.