Synopsis: RTA Sousha wa Game Sekai kara Kaerarenai

Our main character, the speedrunning emperor of "Anotherverse", unexpectedly becomes drowsy during practice. Upon waking up, he finds the iconic opening of "Anotherverse" playing right in front of him!? In this divine setting where his body is performing better than normal, it's time to speedrun! Complete the game world quicker than anyone else! Exploiting bugs in battles, the "fastest" Isekai fantasy!!