The Invincible Shovel manga volume 4 features story by Yasohachi Tsuchise and art by Renji Fukuhara.

In search of the fifth Orb, Alan and his friends have arrived in the Lactia Republic. But when an increased guard presence in the port where they’re staying forces Lithisia to lie low, Alan and Catria must investigate the town alone. It isn’t long before Alan’s Shovel Search uncovers a captive woman aboard a unique ship and our heroes are drawn into an unprecedented legal shovel battle!