The episode opens with a meteor shower over Tokyo—but these are no ordinary meteors. They are the scattered "Seed Cells" of an ancient Earth defense system. Years later, Tenma Kujo is a loner with a short fuse, working at a garage and getting into street fights. He has no family, no past, and strange burn scars on his arm.

"No. But the Seed chose you. Just as it chose him." She nodded toward a rooftop. A boy in black stood there, arms crossed, a gust of wind kicking up dust around him. Then he was gone.

Tenma Kujo, a fiery young man who trusts only his own strength, discovers he is the reincarnation of a legendary fire warrior—just as alien bio-weapons called "Hosts" begin their assault on Earth.

Tenma clenched his fist. Flames licked between his knuckles—real flames, not a memory. "Fine. If there are more of those monsters, I'll burn them all myself."

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Maya almost smiled. "That's exactly what the Flame Tribe's enemy wants to hear."