After the seventh energy crisis, the world is still functioning as usual. What replaced the old energy was an ancient relic - the Elf Stone. As people have gradually adapted to this new energy source in their daily lives, the ancient souls parasitic in these elven stones have quietly awakened one by one.
Uchiha Sasuke, a mercenary hunter who owned the original Elf Stone, and Uzumaki Naruto, who owned the Elf Stone known as the End, met under such circumstances... The past entanglements between the ancient souls parasitic in the Elf Stone also unknowingly affected the two of them.
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