Page 0: - Cover page for chapter 931 titled O-Soba Mask. - Features Nami and four dancing frogs in rainy Wano street. Page 2: - Sanji holds a spray can while confronting a dragon-like creature in Wano. - Townspeople react with panic to Sanji's actions during rain. Page 3: - Sanji activates the black raid suit canister in public. - Transformation sequence begins with Germa theme and swirling effects. Page 4: - Sanji appears transformed as Stealth Black on a rooftop. - Townspeople recognize the Germa 66 suit and react negatively. Page 5: - O-Soba Mask reveals his name directly to the dragon beast. - Onlookers react negatively to the chosen hero name. - O-Soba Mask initiates combat by leaping toward the beast. Page 6: - O-Soba Mask uses rapid movement to disappear from sight. - Beast suffers direct hit causing massive roar. - Disappearance occurs during rooftop battle sequence. Page 7: - Flashback references comic strip Warrior of the Sea Sora. - Germa 66 mentioned as evil army in old newspapers. - O-Soba Mask begins activating suit transparency. Page 8: - Page One recognizes the invisibility effect from the Clear-Clear Fruit. - Page One's raid suit includes shield, heels, acceleration, and flotation devices. - O-Soba Mask suit grants transparency similar to Clear-Clear Fruit.