Ujin Kang is an ordinary nobody—until one day, he gains a strange ability. Whenever he reads a script or screenplay, he’s pulled into a mysterious dimension where he can relive the character’s experiences. When he ends up showcasing a performance born from that dimension, his acting is so overwhelming that it leads to a massive misunderstanding. Mistaken for a once-in-a-generation acting prodigy, Ujin is suddenly thrust into a world of media and celebrities far beyond his quiet, insignificant life.
Yooan Ha, a senior in high school, failed the SATs that were deemed as the "most effortless" as he filled in the scantron inaccurately. While pondering on his future by the Han River, a demon approaches him and proposes to rewind time. However, the demon king demands Yooan's appearance in his domain in exchange for the request. Can Yooan guarantee his reversion to his real life after fulfilling the demon king's requirement?
A sudden wave of zombies swept through the campus. Though the male protagonist escaped the initial human-made disaster, he couldn't avoid the resulting chaos and hopelessness. The future of humanity was now uncertain, and survival became a daunting task. People banded together, but the group slowly dwindled. Life was grueling, reminiscent of the undead. The end approached rapidly.