>>4184620Rem in a dress, from Dream Hunter XX(ドリームハンター麗夢XX 蒼の機関騎士).
This manga continues Rem's adventures after the OVAs. The story contains explicit erotic scenes similar to her debut, but remains a positive and optimistic story and Rem is no less cute.
It's on sale at dlsite, while an english translation can be found at nhentai and similar sites.