Tangs Goldman, the strongest warrior in another world, used his tank skills to defeat the Demon King. As a reward for defeating the Demon King, the Goddess granted him any wish he wanted… For his next mission, Tangs hoped to go to the most tragic place in the world to save even more people. He landed at a black market call center with a 99% turnover rate!? Confront “Monster Customers” who make unreasonable complaints and save a colleague in trouble! The battle between the strongest tank in another world and the most dangerous monster customers in the real world is about to begin…?! A hilarious other-worldly comedy!
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