Yuragi-sou no Yuuna-san is a bit generic as an ecchi series, but makes up for it with great art and tons of nudity.
In that sense, it’s a bit like To Love-Ru, which was also published in Shonen Jump and received a colored version of each tankobon.
Yuragi-sou no Yuuna-san manga fanservice compilation (volumes 1-6, ongoing series)
Download (volumes 1-6)