Summary
In a world filled with dungeons, Yuya Shirasaki battles monsters to pay for his sister’s treatment. Despite his efforts, she dies, and he falls to a powerful foe. At the moment of death, he awakens the Akashic Record—a forbidden skill granting him all knowledge and the power to travel ten years into the past. Armed with future insights and a second chance, he vows to become the strongest to save both his sister and the world from its doomed fate.