Final chapter's been translated
If you have the translation on hand, you may post it here. Preferably, post it as a linked archive, rather than individual images.
Manga Traders has 13 volumes of this actually.
have there ever been any information that suggest that the ishiguro read yotsuba or azumanga daioh?
a brief google search for interviews with him yield no results for azumanga or yotsuba. I wouldn't say he didn't read them or at least knows them, but I didn't find anything