Synopsis

Lee Hyunwook, a former hero known as the 'Great Steel Emperor,' has regressed to his past self and is now an F-rank soldier in the army. He recalls his past failures and his death and is determined to grow stronger quickly to avoid his previous fate. He utilizes his ability to manipulate metal, consuming items like spoons and cartridges to increase his power, while navigating his annoying army life. By the end he encounters his 'villains' again and vows to defeat them.