Yoshiwara Aku no Hana

In the Meiji era, it was a paradise for men and a living hell for women. That is the world of Yoshiwara. And even in that living hell called Yoshiwara, there is competition between women... As the daughter of the proprietress of the red-house, Nanao lives her life while attending a girls' school, thinking that she is different from the prostitutes. However, her mother, the landlady's husband, Kurosaki, buys her beauty and almost attacks her! Fearing Kurosaki's change of heart, her mother hires her men to attack her Nanao, but -!?

(google translated)