A little girl is a man who earns money by selling herself, also called a man/prostitute, just like a prostitute/woman.
They stayed in a small hall, just like a brothel. In ancient times, this place was generally called Nanfeng Pavilion.
Their status is lower than that of prostitutes. In ancient times, there were generally no names in museums. Usually, only a blank plaque is placed in front of the museum building.
You try Baidu Encyclopedia, which is very detailed; Alas, there are more articles about BL, especially about training, and more articles about male nurses. Unofficial history also has this aspect, especially in the Ming Dynasty.
I think it's Toy Boy (Toy Boy's position is much higher than that of a male nurse). She serves women and, of course, men.