My Career Has Unlimited Upgrades

During the era of national job changes, Gu Qing awakened to the most shameful dual professions in history - dog licker and undead apprentice. One can increase dog licking experience by licking the opposite sex, while the other cannot even summon skeleton soldiers. Fortunately, Gu Qing can advance to unlimited professions, simplify the advancement conditions, and open up new career advancements. [The conditions for upgrading the undead apprentice are simplified... Places with strong death energy will automatically increase the upgrading experience] Gu Qing stood at the mass grave, and after a while his career was successfully upgraded. [Dog Licker]-[Phantom Contractor]-[Lord of Love in the Abyss]-[King of Ten Thousand Charms]-[Forbidden Charm Emperor]-[Charming Gods of the Heavens] [Undead Apprentice]-[Necromancer]-[Undead Lord]-[Undead King]-[Undead Emperor]-[Underworld Lord]-[Eternal Death] Start a new career and continue to advance, [Shadow Lord], [Blood Emperor], [God of Cooking]... But why is it getting worse and worse after the dog-licking wizard advances? The succubus queen, the elf queen, the fallen saint, the vampire princess, the fallen angel... Why are these beauties from the abyss so crazy about me? What the hell is a reverse master-servant contract? No, what does it mean that since I have become your master, I have to water your flowers of desire every day?