RBD-841 12 Female Teachers Fallen to Slave Soap Meguri

Shiori's older sister, Kaori, was a teacher at the school where her father was the director, but she committed suicide just before she was about to get married. The following year, Shiori becomes a teacher at the school following her sister's will, but ends up falling into the trap of Onizaki, the father of Natsumi, a dropout student in her class and the owner of a soapland...