Here is the full list of all 38 Oblivious Garden ~Carmina Burana achievements.
Leave the fencing hall.
Make tea that is fit for a princess.
Finish the special chapter.
It's you and not the others.
Finally lose the friendship with Rumi.
Watch the credits.
Get S rank in all kinds of tea.
The tea you made is not good enough to win the princess.
You fail to satisfy the princess, dont you?
Read all epilogues.
You finished your job, but this is not the end of the story.
It is destined that we meet each other again.
I may, or I may not, who knows?
Who is that girl? You will never know.
A lily would be nice.
From now on, you live happily ever after.
That is not a documentary fiction, my princess.
All you have to do is to be a good listener.
This is an unexpected ending.
Do not tell this secret to anyone.
Enjoy Leira's violin playing.
Lin accomplished her dream, and so did you.
Here comes emperor of Celantu.
Something serious may happen if you were not quick enough.
Are there any secrets behind her?
You made the most tasteful tea.
Collect all the tea recipes.
Make D rank tea for the first time.
Collect all tea ingredients.
Get the highest level in tea game.
You go your separate ways.
Some things are better left unsaid.
It is not polite to peep at a lady's diary.
Unfortunately, you didn't finish your job.
The princess and the prince promised to be together forever.
Make S rank tea for the first time.
Come across Marian at the fencing hall.
Meet a strange lady in a strange place.