One Piece Robin Meets Sabo. Sabo of the Mythical ash golem Devil fruit. Nami Usopp Sanji Chopper Robin Franky and Brook Sabo gave them a friendly nod blue eyes sparkling in obvious.
But Luffy had been the one to enthusiastically invite the Straw Hat Crew to meet his ever elusive brother and no one was going to miss the chance to finally meet him. Luffy of the Mythical light dragon Devil fruit. Mansherry meets Kyros who tells her to use her healing powers on those who need it more than he does.
During the timeskip Robin met Sabo.
One Piece 1999. On the deck behind a windbreak on a sofa overloaded with cushions and blankets was the pirate Nico Robin 80000000 berri bounty the archeologist of the scattered strawhat pirates. She only knew Ace and Luffy were brothers. Seems by far the most likely scenario.