Mizuki Mizushiro: 6 books

IT'S A PRISON BREAK! Purgatory Remedial Academy is holding its annual school festival, where Kyousuke Kamiya couldn't be having a worse time. After recovering from the athletics festival, Renko Hikawa has been hounding Kyousuke endlessly, which only makes Eiri Akabane even more aggressive in...

Even cutthroat murderers have school athletics festivals! Aiming for the top place in the school's first murderathon, Kyousuke and his classmates suffer through backbreaking conditioning. His life gets even more complicated when Renko's mother, Reiko Hikawa, pays a visit. She gives the pair an ultimatum:...

BRUTAL SUMMER LOVIN'... Summer break has arrived for the students with the highest exam scores, but it looks like Kyousuke will be stuck in school... However, when Eiri is suddenly summoned home, Kyousuke discovers her family has asked for him, too! He worries his stay with House Akabane,...

As the final exams for parole draw near, suddenly a transfer student appears! And the newcomer is none other than Kyousuke's little sister, Ayaka Kamiya! Ayaka could not be happier with this reunion but Kyousuke is terrified. What's more, he soon finds out that for the sake of meeting her beloved...

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 parodic extracurricular activities is the beautiful, charming Saki Shamaya--also known as the "Princess of Murder," a serial killer responsible for twenty-one deaths!

Accused of a crime he didn't commit, Kyosuke Kamiya is sent to Purgatorium Rehabilitation Academy. Suddenly, he's surrounded by a variety of fetching lasses--each one a murderer! Worse, he's famous for being the "Dozen Demon," a killer responsible for twelve deaths! When the busty, gas mask-wearing...