Zeke's sister Wanda has gone missing again, this time in the Cobalt Coastlands.
The Request
Talk to Zeke in Galaxy Hall after you have completed Gone Astray...in the Mirelands to accept this request.
Find Wanda
Wanda can be found on a small island near Castaway Cove in the Cobalt Coastlands. Talk to her.
Reward
Go back to Jubilife Village and talk to Zeke. You will get 1 Star Piece.