She Professed Herself Pupil Of Wise Man Light Novel Volume 03 (

Danblf, stuck in a girl's body and claiming to be Danblf's disciple Mira, has been sent on a journey to find the nine sages. But when she makes it to her first destination, she finds a horrifying surprise-a city overrun by zombies! Deducing that one of the sages - the necromancer Soul Howl - must be nearby, Mira leads her growing party into the depths of a mazelike ancient temple for an all-out assault!