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.
Can type texts to the images.
Can translate some texts from language to language.
Bad Ending I.
Can purify pages, make them clean.
Normal Ending.
Can scan new pages for the team.
Good Ending.
Be a true professional!
Pesky birds!
Bad Ending II.
Can find out prerelease shortcomings.