marvel_en

After death , an ordinary young man is reincarnated in the Demon Realm as the weakest and most despised eldest son of the Demon Lord. Mocked by his family and expected to remain a failure forever, he awakens the Multiverse Leveling System, granting him the ability to travel to countless manga worlds where he leveling up , grows stronger, and acquires legendary powers. Returning from each adventure with newfound abilities, the once-worthless prince begins his rise from the weakest heir to a being destined to rule the Demon Realm.