for people who think chapter 1 includes 2 and 3, it's wrong check this raws, chapter 1 has only 1 chapter, idk why the uploader said that: https://yaoimangaonline.com/papa-datte-shitai-by-seo-serina-jp/
It's chapter 1-3 in coolmic format. Chapter 4 is chapter 2 in the manga volume
for people who think chapter 1 includes 2 and 3, it's wrong check this raws, chapter 1 has only 1 chapter, idk why the uploader said that: https://yaoimangaonline.com/papa-datte-shitai-by-seo-serina-jp/