Isekai Cheat Magician

Synopsis

After defeating the golem beneath Azpire, Taichi and Anastasia encounter the young magicians Milu and Melo, who command a large horde of Red Goblins. Meanwhile Rin and Myura alert the guild to an impending attack from an army of several thousand monsters. A dour mood hangs over everyone there, but Rin and Myura resolve to defend the city. Luckily that's when Lemiya arrives, having sensed something wrong within the city...