The manga version is published by Futabasha . Official digital volumes and serialized chapters are often hosted on platforms like NicoNico Seiga or the Gaugau Monster official app/website.
Since you mentioned an "interesting paper," here is a recent study regarding the digital manga industry that explains why finding "raws" can sometimes be difficult due to shifting platform strategies: The manga version is published by Futabasha
Volume 1 was released on January 30, 2025, and Volume 2 was released shortly thereafter. The manga version is published by Futabasha
The series Makutsu no Ou: Yomei Ichi Kagetsu no Doutei, Mahou Shoujo Harem wo Kizuite Ou he Kunrinsu The manga version is published by Futabasha