Log Horizon: The West Wind Brigade manga volume 7 features story by Mamare Touno and art by Koyuki.

Soujirou is conducting special training in hopes of acquiring power from outside the system. However, just under their noses, an army of more than ten thousand Goblins appears on the Zantleaf Peninsula! In the face of this unprecedented situation, the West Wind Brigade musters its best fighters and sets off to guard the Ancient Court of Eternal Ice, where the nobles are assembled!