Levius is a striking steampunk sci-fi boxing manga set in a war-scarred world where technology and human bodies merge in brutal ways, following Levius Cromwell, a quiet and traumatized young boy who enters the underground sport of mechanical boxing after losing his family in a devastating war, forcing him to fight opponents equipped with advanced metal limbs while grappling with pain, memory, and the meaning of strength, unfolding through intense one-on-one matches, meticulous fight choreography, and emotional character development that emphasize endurance, control, and psychological resolve over simple victory, blending elegant art, industrial world-building, and themes of trauma, recovery, and identity into a visually powerful and emotionally grounded narrative, widely praised for its unique aesthetic and mature tone and later adapted into a CGI anime series, also known as Levius manga, LEVIUS, レビウス, Rebiusu, Levius anime, steampunk boxing manga, mechanical boxing manga, and dark sports sci-fi manga.