The Rising of the Shield Hero Volume 14: The Manga Companion

A mysterious woman named Ost appears and identifies herself as a familiar of the Spirit Tortoise. With her help, Naofumi and the others begin the desperate battle to seal away the Spirit Tortoise once again.

A familiar foe returns!

A mysterious woman named Ost appears and identifies herself as a familiar of the Spirit Tortoise. She reveals the Spirit Tortoise has been hijacked and is rampaging without control. Naofumi, Raphtalia, and Filo must join forces with Ost to stop the Spirit Tortoise ...