After the legendary wolf monster Fenrir got attracted to the delicious smell of Mukohda's food and signed the Familiar Contract with him, Mukohda decides to register with the Guild in Fallières his next stop.

Mukohda and his familiars receive a request to head towards a mine and hunt down the metal lizard that inhabits it. Instead, they run into a rare mithril lizard. After Mukohda defeats the lizard, with the help of Fel and Sui, Fel turns his interest towards a different and tastier prey...?