User blog comment:Areszzjay/WTF Oda?!/@comment-1595565-20120504050506/@comment-4783583-20120504144738

well only a few mangaka actually do, most of them make it up as they go along or only have a rather sketchy outline for the story (kishimoto, kubo, togashi). Oda is one of the very few mangaka that actually uses meticulous planning for this series.