On their way to Thirdrema, Sunraku an Emul encounter the area boss Mud Digger in the middle of a swamp which greatly reduces their movement. Being at a disadvantage Sunraku needs figure out how his newly evolved skills work so he can take Mud Digger down.

Sunraku receives the consequences of his defeat of Lycagon's shade, and as the group moves on to Fifticia to meet with Rust and Mold, another new twist awaits him.