Ryoko Shinozaki, who achieved outstanding results in the entrance exam, hides her identity and goes undercover to investigate a violent criminal organization. - However, one day, a trap is set and his true identity is revealed. - When she is finally captured, she is surrounded by men who bare their vicious fangs and undergoes horrific t** filled with shame and humiliation. - Will she fall for a pleasure slave and be sold? - What will happen to Ryoko's fate?