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