Saito, a typical guy living in modern-day Japan, experiences a bizarre isekai twist when he's abruptly transported to a world brimming with magic and mages. Instead of becoming a legendary hero, he finds himself bound to Louise, a noble but inept mage nicknamed "Louise the Zero." Forced to navigate this unfamiliar world, Saito discovers he possesses hidden strength, challenges arrogant nobles, and encounters a sentient, sassy sword. Let's watch the video to follow Saito's adventures as he grapples with his newfound abilities, forms unexpected bonds, and stumbles into a daring mission to rescue a friend!