Longest manga you've ever read?

Daisuke-We're more of a shojo fan too so we havent read loads
Dark-we're up to volume 23 of Naruto
Daisuke-and 13 of bleach
Dark-but the longest one we've read?
Daisuke-hm... OHSHC is 17 volumes so far and we've read all of that
Dark-And Rosario+vampire is on season 2 volume 7? we've read all of them.
Both- So it has to be Rosavamp

One Piece and detective conan my favorite manga ever

it must be one piece.his anime is ten years.not memtioned manga,

one piece manga , it is already one piece 664 now :worship:

One Piece manga and naruto manga !!!!!! absoultly!!!!!!!!!