Chapter 828

Chapter 828 is titled "1 and 2".

Cover Page
From the Decks of the World: The 500,000,000 Man Arc Vol. 19: "Fishman Island - A certain hero's hat is all the rage"

The kids on Fishman Island are wearing the "hero's hat" they asked for in Chapter 653.

Short Summary
Purin learns that the group she was talking to is from the Straw Hat Pirates while the Sanji retrieval team also learns that Purin is Sanji's betrothed. After explaining more about the Charlotte Family and her thoughts about Sanji, Purin shows the team a route to Whole Cake Island that will allow them to arrive undetected.

The Sanji retrieval team later returns to the Thousand Sunny but is unable to find Pekoms. They soon find a message telling them to turn back.

On another island, Sanji's two older brothers end a two-year war.

Chapter Notes

 * The Sanji retrieval team learns that Purin is Sanji’s bride-to-be.
 * Purin explains that Big Mom uses her children’s marriages to strengthen her pirate crew.
 * The Charlotte Family is composed of 129 people.
 * Big Mom has 43 husbands, 39 daughters, including Purin, and 46 sons, as well as grandchildren.
 * Purin claims that she already met Sanji once before.
 * Purin shows Luffy’s group a route to Whole Cake Island that would allow them to arrive undetected.
 * A way to navigate using each individual pose on the New World log Pose, instead of the needle, is introduced.
 * Luffy's group returns to the Thousand Sunny, but Pekoms is nowhere to be seen and a message telling them to turn back is left behind.
 * Sanji’s two older brothers are introduced.
 * They stopped a two year war on behalf of Germa 66
 * Their appearance is identical to the Germa 66 agents from Vito's flashback in Chapter 825.