Chapter 931

Chapter 931 is titled "O-Soba Mask".

Cover Page
Cover Page request: "Frogs tap dancing happily in a puddle that Nami made." - PN Noda Skywalker

Short Summary
Sanji puts on his Raid Suit to fight Page One in disguise, gaining invisibility with the power of Stealth Black. While he fights, Law, Usopp, and Franky run away.

Meanwhile, Robin tries snooping through Orochi Castle, but gets caught by the Orochi Oniwabanshu. On the coast of Kuri, Chopper, Momonosuke, Tama, and Kiku discover that Big Mom has washed ashore. However, she is unable to remember anything about herself.

Chapter Notes

 * Sanji's raid suit is revealed and it is called Stealth Black.
 * The suit's power is invisibility.
 * Sanji plans to have Franky and Usopp redesign the suit at a later point.
 * While sneaking around in Orochi's castle, Robin is found by the ninja troop Oniwaban.
 * Big Mom ends up at Kuri Beach and she has amnesia.