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