The Weakest Tamer Began a Journey to Pick Up Trash novel volume 9 was written by Honobonoru500 with illustrations by Nama.

The people of Hataka Village are on edge. Strange things are happening in the forest, and it's making even the friendliest of creatures act out in surprising - and dangerous - ways! Determined to get to the bottom of things, Ivy and her friends head into the forest to investigate. Encountering the tragedy within, they determine a summoning circle is putting a spell on humans and animals alike. While Sol and Sora do their best to break the spells, Ivy searches for the summoning circle and the truth about what happened at Hataka Village.