One Piece Episode 44 -

: Nami officially joins the Straw Hat Pirates as their navigator. She commemorates her new life by replacing her Arlong tattoo with a new one—a windmill and a tangerine, symbolizing her late adoptive mother Belle-mere and village leader Genzo.

: Nami "steals" her way onto the Going Merry by running through the crowd and pickpocketing the villagers as a playful, final goodbye, showing she has finally made peace with her past. One Piece Episode 44

Setting Out with a Smile! Farewell, Hometown Cocoyashi Village! : Nami officially joins the Straw Hat Pirates