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A man working a job far removed from his childhood dreams gets wrapped up in an unexpected situation! Becoming a monster, he aims once again to fulfill his lifelong dream!

[From the authors of Omniscient Reader's Viewpoint:]Humans were suddenly summoned to become "Walkers", and they needed to clear the tower to save the world.Then, the "Stone of Regression" was discovered. Walkers could now "return" to the past. And sl