Here is the full list of all 32 Winged Sakura: Mindy's Arc achievements.
Completed waves 76-120 on Survival Mode
Completed waves 31-75 on Survival Mode
All Spirits leveled up to 99
Enchanted a SSS tier item to level 10
Crafted a SSS tier item
Obtained 100% on all Entrances
Reached level 99
Completed waves 1-30 on Survival Mode
Cleared the game
Saw the ending
Unlocked all Cherry Blossoms
Unlocked all Spirits
Completed Chapter 4
Equipped 8 Weapons and 8 Accessories
Completed Chapter 3
Equipped 8 Weapons
Completed Chapter 2
Learned ten crafting recipes
Crafted your first item
Unlocked 8 Spirits
Completed Chapter 1
Obtained ten Data Fragments
Cleared a level on Insane Mode
Enchanted an item to level 10
Enchanted your first item
Bought ten bags
Bought your first bag
Completed the tutorial
Obtained a Data Fragment
Equipped 1 item
Cleared a level without losing a life