The gang grabbed me to claim kinship, but little did they know—I'm a major general

Major General Kian lives an ordinary life as a mechanic with his adoptive father Arthur under an assumed identity. He is abducted by the Corleone mafia family, his blood relatives. Disgusted by his humble background, the clan including his birth mother Isabella, elder sister Sophia and adopted brother Lucas force him to take over illegal businesses and seize his military terminal holding top-secret counter-terrorism data.