Kojiro is Musashi’s bitter rival who eventually falls in battle and turns to the side of the Wizard of Darkness. Wizard of Darkness: The main antagonist of Brave Fencer Musashi .

“(U.S. military aircraft) nosedived toward the Musashi and dropped torpedoes and bombs before they flew off to the other side of the horizon,” a seaman first class in gunnery wrote in his account.