Overview:A family who fell into a trash class because he could not pay taxes due to his father's death. My daughter Maria is sent to Girls Farm Adachi No. 4. It was a vocational training facility where girls competed to teach sex techniques and cultivate sex slaves. Every day being bullied by a rival classmate and made into a toy for instructors. The only way to get out of this hell is to be the property of a wealthy owner. One day, Maria receives a favorable contract story. However, a terrible secret was hidden behind it...