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