EntertainmentTVAnime ShowsOne PieceAs One Piece’s anime turns 25, fans are coming together to praise the new Fan Letter special as an “absolute masterpiece"When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. EntertainmentTVAnime ShowsOne PieceAs One Piece’s anime turns 25, fans are coming together to praise the new Fan Letter special as an “absolute masterpiece"When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: Tomohito Ohsaki, Eiichiro Oda/Shueisha, Toei Animation) One Piece Fan Letter, which is now streaming, adapts Tomohito Ohsaki’s Straw Hat Stories and features short tales featuring some of the Straw Hat’s most notable crew members. It’s not your usual Grand Line-sailing adventures, though: the stories in the anthology …