The rules are simple!
If you read manga, subtract one.
If you watch anime, add one.

Which ever gets to 500 or 0 wins, and then we restart at number 1.

Example:
Player 1: 497
Player 3: 496
Player 3: 497
Player 4: 498
Player 5: 499
Player 6: 500
Player 7: 1

I'll start!
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but i do both

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