is one piece episode 912 filler?

Kin'emon continues revealing his plan for the upcoming raid on Onigashima. Sanji notices that Ashura Doji is among the allies Kin'emon wants to track down, but is also one of Oden's enemies that were defeated.

Kin'emon explains that Ashura Doji changed his ways and became a servant of the Kouzuki Family, but recently returned to being a criminal under the name Shutenmaru. He explains that Shutenmaru is one of his strongest potential allies.

Meanwhile, Shutenmaru is in the streets of Okobore Town, robbing people who just received food from Luffy.