MADOTSUKI, one of your closest friends, has basically hosted a 3 person party at PONIKO'S ROOM. It'd be just YOU, her, and PONIKO. You went all the way to THE PINK SEA to get to the room, and once you're there... It seems PONIKO is trying to find something to watch on her phone, meaning MADOTSUKI is the only one that greets you... by waving

MADOTSUKI:"...!"

MADOTSUKI waves, with little to no words. It'll take long before she speaks, she's often a quiet gal'