'What is the ONE PIECE?' Special Project PV.

Eiichiro Oda has written the secret behind the ONE PIECE Treasure and Monkey D. Luffy in a piece of paper sunk in the bottom of the ocean. Once the series ends, the truth will be revealed.https://t.co/54qtLlyiWa pic.twitter.com/XKiyaaDYY8

— Shonen Jump News (@WSJ_manga) March 3, 2026