The Berecca: Happy is one of many Stickers that can be added to your avatar’s communications wheel. To use the Sticker, press up on the d-pad and select it from the communications wheel.
To adjust which Stickers you have available in each Ninjala match, go into the Closet and then the Communications menu.
‘Berecca: Happy’ Official Description
“Sticker that is full of joy. The wide-open arms are most welcoming. It’s not whether you win or lose; it’s how much fun you manage to have.”
‘Berecca: Happy’ Appearance
The Berecca: Happy Sticker choice shows a little graphic of an anime Berecca, ready to hug someone.