The Anime Lad
Monkey D. Luffy leaves home in a barrel to find a legendary treasure and become king of the pirates. He can stretch like rubber but cannot swim. Both facts seem like acceptable maritime qualifications. Every island supplies a local crisis and at least one potential crewmate. Recruitment usually means helping a stranger and declining to leave quietly.
Gigguku
Luffy launches his entire pirate career from a barrel with a grin and no workable plan. I love him immediately. He meets someone trapped by fear and treats that fear like a temporary scheduling problem. Then the world opens one bright island at a time. The real treasure at the start is watching impossible strangers decide they might belong on the same boat!
Father's Basement
The early production can look modest, and Luffy's complete lack of caution should get everyone arrested. His certainty still works. He hears what somebody wants and ignores every reason it cannot happen. Then he starts removing the obstacle. That clean moral engine gives the broad comedy a sturdy center. Even the first tiny boat feels like the beginning of something enormous.