The Main Characters That Only I Know

After facing death ten years into Earth’s apocalypse, Yoohyun regrets how he lived and wishes for another chance. A mysterious light appears, and he awakens in an unfamiliar scene, reborn as a non-human race called a Teller and sent back ten years in time. In his previous life, Yoohyun focused only on survival. Now, determined to make the most of his new life, he sets out to live successfully. Can he become the protagonist this time?