"We're invincible together!" Two delinquent girls, mistakenly believing this, are raped by a devilish guard, leaving them physically and mentally exhausted. (Mitsukiko, Tenma Yui, REAL-957)

The mischievous J-class girls, Yui and Hikari, are told by their homeroom teacher that they won't graduate if they fail their exams due to their poor grades. So, they devise a plan to sneak into the school and steal the exam results. While taking selfies with their phones, Yui and Hikari sneak into the school at night to steal the exam, but are spotted and brutally raped by two security guards.