In this manga adaptation of the popular web novel series, an overworked wage slave finds himself transported to a fantasy world where he quickly becomes the strongest sage in the world...thanks to the help of an army of tamed Slimes!Yuji Sano was a normal guy working a soul-sucking nine-to-five job when he suddenly found himself transported to a fantasy world where he restarted his life as a Monster Tamer. After befriending the Slimes, Yuji is quickly able to gain a second character class, ranking up his stats and learning new skills as he encounters one surprise after another.The Laboratory is an evil organization conducting research on curses using humans as test subjects! After successfully infiltrating one of their facilities while hiding his true identity, Yuji is notified of a large-scale operation involving all the Laboratory’s members. Yuji knows he must stop them in order to prevent a mass murder but is summoned to headquarters before he can. He soon learns the higher-ups suspect there is a traitor in their midst! Is Yuji’s cover blown?!

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