F-Rank Fortune Hunter

In a world of abilities known as fortunes, Seo Gang-Rim brings misfortune to those around him. Despite his low rank, people fear his power to steal fortunes from the dead. After his entire sect is annihilated by an assassin, Gang-Rim returns to the past, desperate to prevent its grisly end. He intends to make a difference this time but realizes that even fortunes aren't set in stone. Will Gang-Rim be able to save his comrades from their unjust deaths, or will he only bring doom to them all again?

(Source: Tapas, edited)