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