Missing 55

There is a school that abducts and confines girls to reeducate them as sex slaves Kyoko a bad schoolgirl was caught by a witch and turned into student number 55 Life in the school is hell where repeated torture illtreatment and rape is called reeducation However Kyoko has a hidden purpose She was trained by a secret organization called Onesti and infiltrated the school as a spy Her mission is to retrieve top secret data from the trafficking organization and release the captive girls Kyoko works with classmates Yuka Yuma and Yui to formulate a detailed escape plan Finally the day of their jailbreak has come