Awakened into a world where humanity has been petrified, scientific genius Senku and his brawny friend Taiju use their skills to rebuild civilization.

Even after entering a fantasy world, Hajime remains weak. But when all hope is lost, he begins his journey to become the strongest of them all.

Tsubasa, a Tokyo schoolboy, gets transferred to the town of Hokkaido in northern Japan, and meets beautiful girls there.