Just a Few Questions for You... Pokemon Legends Z-A Side Mission Full Walkthrough and Guide

Unlocked after defeating Josee during Main Mission 19.

You find a Goomy all alone on a park bench, sliming up the whole scene, when a police officer spots you...

[1] Interact with the Goomy, you will be approached by a police officer. She is highly suspicious of you.

[2] Answer her questions. It doesn't matter what you answer because she will battle you.

[3] Battle her and defeat her.
・Here is her profile.

Note: She gives you the tip that for Goomy to reach their final evolution, it has to be raining.

・₽2,000
・Big Root x 1
・Sitrus Berry x 10
・Lax Mint x 3