Tsukimichi: Moonlit Fantasy Vol. 16 (Light Novel)

In Vol. 16, the Kuzunoha Company is commissioned by the nobility of the Kingdom of Limia to investigate Night Frontal, a barren marshland where spirits have died out. Upon arriving, they are immediately caught in an inexplicable phenomenon, and their base of operations is transported to the depths of the marsh. In order to liberate the land, Makoto and the others head for a big tree that is the source of the curse, but an unexpected opponent awaits them there…
Notice: This book is written in Japanese.