Story to Get The Pikachu and Eevee Masks – Pokemon Legends Arceus
How to Get Pikachu and Eevee Masks
If you have a save file, Pikachu and Eevee masks will be available for you.
From either Pokemon: Let's Go, Eevee or Let's Go, Pikachu.
Speak to the clothier in Jubilife Village, after joining the Galaxy Expedition Team.
You can change your outfit every day at Jubilife Village's Clothier.
How to Change Clothing
At this site, you can purchase both Kimonos as well as other clothing.
For example, suits, hats, and masks.