This Scene Did Not Exist

After a horrific traffic accident that took both his parents at once, Oh Se-jin realizes that he is an extra belonging to the world of a novel. He accepts the role assigned to him and lives a quiet life, but his gaze unconsciously drifts toward Seo Ki-yoon, the sub male lead from the original work. He is a handsome man who runs a cafe across from the pharmacy Oh Se-jin operates. After the person he loves rejects him, Oh Se-jin thinks it's now his turn to leave, but for some reason, Seo Ki-yoon still remains there. A scene that shouldn't have existed, a greeting that shouldn't have happened. Minor discrepancies begin to gradually change the flow of the world, and for the first time, Oh Se-j...