The mark of G.U.N.
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Five years ago, Shadow broke Sonic's heart-believing distance was the only way to keep him safe. But Sonic's disappearance left the world in silence, and only Tails knew the truth of where he had gone.
Now, as Eggman's empire threatens to rise, Team Dark and Team Sonic struggle against impossible odds... until a flash of blue returns to the battlefield. Sonic is alive, stronger than ever-but he's not the same hedgehog they remember.
Marked with the insignia of G.U.N., Sonic vanishes as quickly as he appears, leaving Shadow torn between relief, regret, and suspicion. What happened to Sonic during those missing years? And can Shadow face the truth he's been running from all along?
A story of love, loss, betrayal, and the dangerous pull of fate.
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