Summary
When the Demon Tribes led by a Demon King appeared
and launched a massive war at mankind, all hope seems to be lost
until a brave group of heroes managed to turn the tide
and even defeated the Demon King.
John Serieux, a mid-ranked soldier of World’s Resistance against
the demon’s army, had fortunately been able to witness
the Demon King’s fall by the Heroes, but also was unfortunately killed a moment after. Miraculously, he was still able to open his eyes, only to realize that his mind had been sent back to the past when he’s still a baby!
With all the memories of his adult years, the knowledge of many scientific breakthroughs during the war, and information of the upcoming great disaster all intact, John is determined to cultivate his potential efficiently and optimally to help change the future for the best.
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