Keiyakukon Shita Aite ga Oni-Saishō Deshita ga, Kono Tabi Saishōshitsu Sennin Hosakan ni Ninmei Sareta Jimi Bunkan (Hensōchū) wa Watashi Desu. #1

This light novel, titled 'Keiyakukon Shita Aite ga Oni-Saishō Deshita ga, Kono Tabi Saishōshitsu Sennin Hosakan ni Ninmei Sareta Jimi Bunkan (Hensōchū) wa Watashi Desu.', emerged from the popular Japanese web novel culture where authors often publish serialized stories on platforms like Shōsetsuka ni Narō. This particular work fits into the 'isekai' or fantasy-romance genre common in the modern Japanese light novel market, focusing on themes of contract marriage and administrative fantasy tropes that have gained significant traction among domestic readers since the late 2010s.

The publication of the first volume was managed by major light novel labels that oversee the translation of digital web serials into physical print, often featuring supplemental character illustrations to enhance the reading experience. As is typical for this category of literature, the design relies on contemporary 'moe' aesthetic styles intended to highlight the protagonist's double life, reflecting a broader trend of character-driven narratives that emphasize humor and light-hearted romantic tension in high-fantasy settings.