This page explains how to complete the level 88 Endwalker quest "No Job Too Small".
This quest is available if you have completed the quest Going Underground.
Starting the Quest
Talk to Alphinaud in Labyrinthos to begin the quest.
Optional: Labyrinthos Aether Current
As you go northeast, then northwest toward the quest icon, you can optionally attune to a nearby Aether Current on the way. You can use the Aether Compass (found in Main Menu > Duty > Collection) to help you pinpoint its location. Check on the Aether Current to attune to it.
Speak with Alisaie
Go to the quest icon on the map and talk to Alisaie to proceed.
Aether Current Quest
You can now start the blue quest "Let the Good Times Troll" in Labyrinthos. Completing that quest will attune you to an Aether Current in this area.
Attune to the Aetheryte
Be sure to attune to the nearby Aetheryte.
Gather Information in Sharlayan Hamlet
Go just southwest of the center of the orange circle on the map and talk to Silken Grin to proceed.
Go just east of the center of the orange circle and talk to Steady Current to proceed.
Go to the northeast edge of the orange circle and talk to Paultisanne.
Search for the Behatted Rabbit
Go west to the orange circle on the map and talk to Livingway to complete the quest.
Next Main Scenario Quest
After you complete the quest, talk to Urianger to accept the next quest: Wise Guides.