As the manga has reached its conclusion in volume format, "Chapter 17" likely represents the final stages of the series or an extra chapter included in the third volume.
The series began serialization in the July 2024 issue of Big Gangan.
According to major database listings such as Nautiljon , the series is officially marked as in Japan with a total of 3 volumes .
美夜ちゃんのきゅーいんライフ！ Genre: Seinen, Comedy, Supernatural, School Life. Themes: Harem, supernatural elements, and mature comedy. Publisher: Square Enix. Status of Chapter 17 and Raw Scans
The series gained a following on community hubs like r/manga due to its unique "succubus-style" comedy and the high-quality art of Takeru Furumoto. Fans often search for "new" raws when a series finishes its initial magazine run and moves to final volume distribution, which often includes uncensored art or bonus omake chapters. Miya-chan no Kyuuin Life! - Manga Republic
The manga follows a supernatural "school life" premise with a distinct erotic comedy tilt.