Here is the full list of all 12 One Manga Day achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Can read and correct texts after translator.
Normal Ending.
Can scan new pages for the team.
Be a true professional!
Can type texts to the images.
Can find out prerelease shortcomings.
Bad Ending II.
Can translate some texts from language to language.
Bad Ending I.
Good Ending.
Pesky birds!
Can purify pages, make them clean.