is one piece episode 787 filler?

Pudding asks the Straw Hats to introduce themselves in which Luffy shouts his name and proclaims to be the future pirate king. Nami gets mad and covers Luffy’s mouth.

Pudding later blushes and realizes that Luffy looks familiar. A while later, Pudding realizes that the Straw Hats are Sanji’s comrades.

The Straw Hats say Pudding’s name to recall the memories as the name sounded familiar. Brook later ask Pudding if she is a member of the Charlotte family to which she says yes.

Luffy asks Pudding if she is Big Mom’s daughter, pressed into marrying Sanji to which she agrees.