Here is the full list of all 21 Perfect Gold - there are Yuri Visual Novel achievements.
Assert your independence!
Unlock all the achievements.
When you're colder than the breeze you could've summoned...
Seriously, you're not actually that concerned.
Hold back with your affection.
Get the normal ending.
Get the romantic date ending.
Celebrate the festival.
Embrace your yearning for someone.
Buy a gift for someone special.
Learn more about a renowned alchemist's past.
Offer to help a struggling mage.
Have a mage duel.
Attend a fancy alchemist ball.
Get sketched during an intimate moment.
Get to know young Marion.
Reach out for warmth and affection.
Get to know young Audrey.
Heal an injured mage.
Get that sweet, sweet freedom!
Make friends with the top alchemist.