Lee Do-yoon emerged from the passageway connecting the 60th and 50th floors, humming a cheerful tune.
“Must hurry, meow! The humans are waiting!”
With a flick of his tail, he dashed into the next passage, the one leading down to the 40th floor.
The moment Lee Do-yoon vanished, three silver wolves melted out of the shadows. They were of the Eun-lang-jok, a clan that had served as mercenaries within the tower for generations, earning their keep
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