The EX-class Appraiser Cannot Retire

On the brink of humanity's extinction, The EX-rank Appraiser, Jin Hyun-woo, retired. The only non-combat class among the rankers, and a player who reached the pinnacle with [Appraisal] alone, but there was nothing he could do about his terminal diagnosis. “If only I could turn back time….” —Then, could you change this ending? “What?” —The future… I leave it to you. Along with those mysterious words, he regressed to that day of the tutorial, ten years ago. “Right, retirement my ass.” The strongest Appraiser to save the world, Jin Hyun-woo. His desperate struggle for a peaceful life begins!