"Your Name. Another Side: Earthbound" is a light novel adaptation of the original "Your Name" film, written by Makoto Shinkai and adapted into manga by Arata Kanoh. The narrative expands on the events of the film by offering additional perspectives and deeper insights into the lives of the main characters, Taki Tachibana and Mitsuha Miyamizu, as well as secondary characters. The story alternates between their viewpoints, providing a richer understanding of their experiences and emotions.

Taki is a high school student living in Tokyo, while Mitsuha resides in the rural town of Itomori. The two inexplicably begin to swap bodies intermittently, experiencing each other’s lives firsthand. Through these switches, Taki gains insight into Mitsuha’s struggles with her family’s Shinto shrine traditions and her longing for a more exciting life in the city. Mitsuha, in turn, navigates Taki’s urban lifestyle, forming bonds with his friends and coworkers. The body-swapping phenomenon is initially disorienting but gradually leads to a growing connection between the two, despite their physical distance.

As the story progresses, it becomes clear that their connection is tied to a celestial event—the passing of a comet. Mitsuha’s town, Itomori, is revealed to be in grave danger, and the timeline of their body-swapping becomes increasingly complex. Taki discovers that Mitsuha’s existence is intertwined with the comet’s impact, which occurred years earlier. Determined to alter the course of events, Taki embarks on a journey to Itomori, uncovering the town’s history and the spiritual significance of Mitsuha’s family shrine. The narrative delves into themes of memory, time, and the bonds that transcend physical and temporal boundaries.

Secondary characters, such as Mitsuha’s grandmother, Hitoha, and her younger sister, Yotsuha, play pivotal roles in unraveling the mystical elements of the story. Hitoha’s knowledge of the Miyamizu family’s traditions and the spiritual practices tied to the shrine provides crucial context for the body-swapping phenomenon. Meanwhile, Taki’s friends, Okudera and Tsukasa, offer support and perspective as he grapples with the surreal events unfolding in his life.

The story’s structure alternates between moments of lighthearted humor, as Taki and Mitsuha adjust to each other’s lives, and poignant reflections on loss, identity, and the passage of time. The interplay between the characters’ personal growth and the overarching mystery of the comet creates a compelling narrative that complements the original film. By exploring the inner thoughts and motivations of the characters, "Another Side: Earthbound" enriches the emotional depth of the original story while maintaining its core themes of connection and resilience.