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