That Time I Was Summoned, and Defeated the Kingdom That Summoned Me!

Bill Baxton, an ordinary high school senior, is unexpectedly transported to a magical realm where he discovers his ability to control elemental magic. With the help of a mysterious fox who reveals herself as a goddess, he embarks on a quest to thwart a dangerous ritual and uncover the truth behind a looming war. Alongside unlikely allies, Bill must confront dark forces and an advancing army in a saga of adventure, courage, and self-discovery.