Kyousuke Kamiya has only just started to get used to his life in the blood-spattered hellscape that is Purgatorium Remedial Academy and its twisted version of school life. The architect of this series of gruesomely parodical extracurricular activities is the beautiful, charming Saki Shamaya - also known as the "Princess of Murder," a serial killer responsible for twenty-one deaths!

Kyousuke Kamiya has only just started to get used to his life in the blood-spattered hellscape that is Purgatorium Remedial Academy and its twisted version of school life. The architect of this series of gruesomely parodical extracurricular activities is the beautiful, charming Saki Shamaya - also known as the "Princess of Murder," a serial killer responsible for twenty-one deaths!