If you instead meant a as in a written academic paper or analysis of this manga, please clarify. Currently there are no formal published academic papers on this specific series (it's a relatively new, light-hearted rom-com). You'd be looking at fan blogs or Reddit discussion threads (e.g., r/manga).

I understand you're looking for the (Japanese original, untranslated) version of the manga Mikadono Sanshimai wa Angai Choroi . This manga's title in Japanese is 御三姉妹は案外ちょろい .

Here’s the most direct and effective way to find the raw chapters: