Here is the full list of all 19 Touhou Ibunseki - there are Ayaria Dawn: ReCreation achievements.
Unlock hidden character [Unknown].
Open the gallery.
Run the game.
Open the map editor.
Complete mission 1.
Complete mission 2 with Marisa.
Complete mission 3 by defeating Yuyuko.
Complete mission 5.
Complete mission 6 without building 3 research stations.
Complete mission 7 with Reisen.
Complete mission 8 with Reimu.
Failed defeating Rinnosuke in 30 turns.
Defeat Rinnosuke in 30 days.
Survive Arya's orbit strikes.
Complete the tutorial.
Complete any extra mission.
Win a freeplay game.
Unlock hidden character [Ashes' delight].
Defeat Sanae in mission 4 by destroying her power plants and research stations.