He devours metal and can regenerate any weapon—Bolt Crank, a mysterious adventurer. He speaks nothing of his past and reveals nothing of his purpose. Taking on requests and traveling across the world, countless incidents and fateful encounters await him on his journey. Meetings and farewells, lost memories, things someone has lost, things someone tried to protect, and the truth sleeping somewhere in the world. Carrying untold stories with him, Bolt Crank continues to walk.

(Source: Official Site)