Zoro goes to wano and holds a swordsmanship class and lives there for the rest of his life
Sanji establishes the largest restaurant in the world
Usopp returns to the village but his love is dead
Nami establishes a library and Robin becomes an archeology teacher
Jinbe and Frankie move to Fishman Island on Earth
Chopper establishes a large hospital named after his master
On the last page, we see Brook, Makino, and Sabo placing flowers on the graves of Luffy and Shanks and talking about the freedom and happiness of others.
The wind blows and the straw hat goes up into the sky, then we see clouds in the shape of Luffy and Shanks and Roger smiling.