Gu Zang was reborn as a water bear, carrying the Myriad Heavens Devouring System into the Forest of Collapsed Bones, where he engaged in a battle of wits with the Slug Sage.

The Slug Sage refused to let him go, so Gu Zang could only gnaw on tree bark day after day in the Forest of Collapsed Bones.

Just as Gu Zang was preparing to challenge the elderly Slug Sage again, he was kicked into Konoha…

Action, Adventure, Fantasy, Shounen

Alternate World, Cautious Protagonist, Character Growth, Fanfiction, Ninjas, Non-humanoid Protagonist, Politics, Reincarnation, Schemes And Conspiracies, System, Weak to Strong