Salaryman Kai Hayami is the ultimate efficiency freak, prioritizing optimization over absolutely everything else. Disgusted by the gross inefficiency of modern society, he relieves his stress by speedrunning "Love & Fantasy," an action RPG featuring perfectly obedient heroines. To Kai, it is the ideal world where logic and speed reign supreme! But after a fatal encounter with a truck, Kai wakes up inside the actual world of Love & Fantasy. Ready to execute the ultimate flawless speedrun using his vast gaming knowledge, his plans immediately crash. His commands do not work, the game is filled with bugs, and the supposedly docile heroines have transformed into aggressive, uncooperative powerhouses! Can this obsessed efficiency freak survive the chaos and clear a broken world where logic no longer applies?