If you're looking for manga similar to The Qwaser of Stigmata: Portrait of the Empress, you might like these titles.
A story of a female "phantom" thief and a hot-blooded high school senior sleuth unfold in this mystery chase-action manga.
Nanako is an athletic and carefree girl. But she is too carefree, and she often ends up in embarrassing situations, most of which are witnessed by her classmate Kawara, who, like any normal guy, enjoys it very much.
This is the story of Shizuka, a beautiful young lady, and Yarisu, her overboard companion. The two of them get hired to work as hot spring companions, entertaining customers and keeping them company, with absolutely no sex involved. Or almost.
One morning, upon waking up, people disappeared from the world. It seems only a single girl was left behind. A beautiful girl's sexual fantasy of seeking men and warmth!!