RTA Sousha wa Game Sekai kara Kaerarenai

A top RTA speedrunner of the game "Another Verse" experiences sudden drowsiness during a practice session and awakens to the game's opening theme playing around him. Now trapped in a version of the game world where all actions occur at an accelerated pace, he must use his speedrunning expertise to progress. Players must employ tricks and exploit bugs to complete the game faster than others in this high-speed isekai scenario.