Two years after the Paramount War, the Straw Hats are about to reunite on the Sabaody Archipelago. At the same time, a girl who is head over heels for Nami is trying to hand a fan letter to her before the group leaves the island.

(Source: Crunchyroll)

Note: This work commemorates the 25th anniversary of the ONE PIECE anime through an animated adaptation of the "ONE PIECE novel Mugiwara Stories" light novel.