Yuki Takahashi was transmigrated to the world of Falanir where he was given the title of hero and tasked with killing the demon lord. After journeying throughout the lands, gaining companions and powers, he finally defeated the demon lord and his forces.

Despite dying in the final battle, he suddenly woke up, this time back in his own world and several years in the past. But he wasn't alone! Somehow his companions, all notably female, had come back with him!