Shidou Itsuka faces greater peril than ever due to his continued involvement with Ratatoskr. He has already sealed 10 Spirits, and Isaac Westcott, leader of Deus Ex Machina Industries, has finally decided to kill Shidou and plunder the Spirits' powers for himself. To achieve his goal, Isaac declares an all-out war against Ratatoskr, forcing the organization to exhaust its resources to ensure Shidou's survival. Despite being severely outnumbered and outmatched, a glimmer of hope exists in the form of the Spirit of Time, Kurumi Tokisaki. Shidou must seal and acquire Kurumi's power to travel to the past and confront the Spirit of Origin—the catalyst that started it all.

With a cartload of fur pelts in tow, traveling merchant Kraft Lawrence stops by the village of Pasloe. According to local folklore, centuries ago, one of the villagers made a promise with the wolf deity Holo, who swore to bless Pasloe with bountiful harvests of wheat. Yet, as time passed, such stories became little more than relics of the past. After quickly finishing his business in the village, Lawrence sets out to his next destination. His journey, however, takes an unexpected turn when he discovers a nude, animal-eared girl sleeping among his pelts. Even more surprisingly, the youthful-looking woman claims to be Holo—the wolf of legend. Holo wishes to return to her hometown in the north, and though their first encounter is rocky, she convinces Lawrence to accompany her on her travels. In return, she vows to earn her keep, using her quick wits and lifetime of experience to help her newfound companion in his dealings. As they continue their journey, Lawrence and Holo take advantage of whatever economic opportunities they come across, often landing in situations that put both their business skills and their relationship to the test.

Miyuki turns out to be a magical prodigy. However, Tatsuya lacks magical prowess and has to rely on his smarts and technical know-how instead. This makes him The Irregular At Magic High School.

Within the narrow walls of the Outdoor Activities Club room, the few but lively members carry on the camping spirit as they have fun with DIY club experiments. Exciting experiences such as these have brought Nadeshiko Kagamihara deep into the world of camping, making her want to once again go on a solo trip. However, other plans come first, as Ayano Toki and Rin Shima invite Nadeshiko to camp near Ooi River. Eager to go on their first journey together, the girls set off to forge precious memories that will stick with their hearts for years to come.