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