One Second, One Level: Rise of the Undead Calamity

They called him trash. They mocked his class choice. They killed him for it. Reborn three years before his death, Su Ming returns to the day everything went wrong—his job change ceremony. In a world where game mechanics fuse with reality and humanity battles monster invasions through leveling systems, he deliberately picks the "joke" class again: Undead Summoner. But this time, he's armed with a broken system that grants him experience every single second. While others grind for scraps, he's already leagues ahead. Watch as the so-called weakest class becomes an unstoppable legion, and Su Ming…