Anthe would like to see a Wormadam to get inspiration for new fashions.
The Request
Talk to Anthe in Jubilife village after you reach Fourth Star rank and complete Shellos of the East and West.
Catch a Wormadam
Wormadam can be found in shaking trees throughout Hisui.
Reward
Anthe will expand her product lineup after you show her a Wormadam.