Senku, Taiju and Yuzuriha are well on their way to crafting gunpowder when they spot smoke far off in the distance.
Convinced that it’s a sign of other humans, Senku takes a huge risk by sending up a smoke signal of their own. Meanwhile, Tsukasa is determined to stop their progress on gunpowder, and his arrival on the scene could spell the end for our heroes!
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