Typically an A4 or B5 softcover book with full-color printing.

…because in major Japanese or international databases (e.g., WorldCat, NDL Online, Bookwalker, Amazon Japan, or Mangaupdates).

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Miyama Enseki Shoujo Chitai Gashuu 5 2021 is the fifth edition of the Miyama Enseki Shoujo Chitai Gashuu series, a collection of talented girls who come together to showcase their skills and passion. The event is scheduled to take place in 2021, and it has already generated considerable buzz among fans.