You return to Namai village with the newly invigorated villagers.
Requirements
This quest is available if you have completed the quest The Time between the Seconds.
Starting the Quest
Talk to Isse in Yanxia to begin the quest.
Speak with Isse
You can either teleport back to Namai or go north to where the orange arrow is pointing on the minimap. Talk to Isse and there will be a cutscene.
Speak with your Comrades
Go north and talk to Yugiri and Gosetsu, then go northeast to the quest icon on the map and talk to Lyse. Then go south to the remaining quest icon on the map and talk to Alisaie.
Speak with Alphinaud
Talk to Alphinaud to complete the quest. There will be a cutscene. This one is important, so it is recommended to watch it either now or via the Unending Journey in an inn room.
Unlock Flying in Yanxia
"All the Little Angels" is the final quest for unlocking Aether Currents in Yanxia. If you have completed the other Aether Current quests and attuned to the Aether Currents in the field in this area (which you can find using the Aether Compass in Main Menu > Duty > Collection in this area) you will be able to fly in Yanxia.
Next Main Scenario Quest
After you complete the quest, you will need to be at least level 65 to proceed to the next quest. After you reach level 65, talk to Yugiri to accept the next quest: Here There Be Xaela.