Once upon a time, there was a legend: a human rescued a seriously injured elf on the beach. The elf once told the human to leave him alone and let him fend for himself. But the human beings tied up the feet of themselves and the elves with a straw rope to show that they live and die together... Finally, the elves became healthy day by day under the care of humans. On the day when the elves fully recovered, the humans cut off the straw rope and left silently. The elf had no choice but to return to the sea, but he still couldn't forget the human in his heart, so he made a wish to find the human who saved him. Future generations will never forget this kindness...
Now, the legend has truly become a legend, but some of the descendants of the water elves were born with footbells, which forced them to face up to the legend. Over time, a tradition has been formed among the elves that all elves with foot bells must travel when they reach adulthood, find a human with the same color foot bells as themselves, and repay their kindness before returning to the aquatic tribe. This tradition has been handed down and has not changed to this day...
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