Zoro coloring from doujinshi no, number pt 2.
Doujin by ROM-13, coloring in PS CS5.
Scanlation group: futarikiri
((I downloaded all these doujins long ago and I don't remember the site where I got it from or a link.
Every doujinshi is already burned on disk, I don't have the source link. I don't read them online.))