How to Clear Say Cheese Request: New Pokemon Requeat
Professor Mirror will give you requests to do the ‘Say Cheese’ request. The request is to take a pic with a hand-on-mouth pose to complete the request.
Visit Blushing Beach (Day)
2 Bellossom are hiding in the flower bushes on the left (before entering the stone-archway).
Play melody upon reaching there to lure them out.
When they come out, press scan to make them do the hand-on-mouth pose (4-star pose).
Take a pic with a hand-on-mouth pose to complete the request.