Senkan Komomo (戦艦コモモ) manga, digital versions?

Hi, I am very interested in works by this author, and I even own one in paperback that I got at Mandarake when I was in Japan last year, but there are other works I also want to read, and I can't seem to find any of them in a digital copy format. Especially as I am perfectly fine with raws in Japanese, does anyone know where I can find digital copies of this author's works? I am especially interested in this one, right now:

https://www.mangaoh.co.jp/catalog/387326/

Thanks for any help