is one piece episode 390 filler?

After the victory of the Flying Fish Riders, the gang searches for Duval. They find him unconscious under the rubble of a building.

Duval wakes up covering his face. The gang shows a mirror and then, Duval sees his new face in shock.

Meanwhile, Luffy gorges on Hatchan's takoyaki on his Takoyaki 8 vendor ship. The crew enjoy the food that Hatchan prepared for them.

Camie also presents some rice cakes and miso. Nami seems to have trouble tasting the food and threatens Hatchan.

However, she finds the rice cakes tasty.