As Kim Dokja was reading the novel’s final chapter, reality and the world of fiction started to merge, allowing him to appear at the beginning point of the story.

The original Korean web novel, written by Sing Shong was first published on January 6, 2018, on the platform Munpia, and ended on February 2, 2020.

[10] Munpia announced on September 18, 2019, that they had signed a contract with Realize Pictures to adapt Omniscient Reader's Viewpoint into five feature-length films.

[25] In May 2023, Ahn Hyo-seop and Lee Min-ho were confirmed to be offered the leading roles of Kim Dokja and Yoo Joonghyuk respectively.

[26][27][28] The film's casting[29] was officially confirmed on January 24, 2024, featuring Kim Ji-soo as Lee Ji-hye, Chae Soo-bin as Yoo Sang-ah, Nana as Jung Hee-won, Shin Seung-ho as Lee Hyun-sung, Park Ho-san as Gong Pil-du, and Choi Young-joon as Han Myung-oh.