(W) Mizuki Mizushiro Love bites... and might also kill in this raucous comedy of horrors when Kyosuke Kamiya is sent to Purgatorium Rehabilitation Academy, a place filled with beautiful, but deadly, ladies! 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 beauty Renko Hikawa approaches him, the difference between death and desire becomes very narrow indeed. How is Kyosuke gonna graduate alive?

(W) Mizuki Mizushiro Love bites - and might also kill in this raucous comedy of horrors when Kyosuke Kamiya is sent to Purgatorium Rehabilitation Academy, a place filled with beautiful, but deadly, ladies! 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!

(W) Mizuki Mizushiro 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 brother, Ayaka committed attempted murder. Considering Ayaka's mental state, Kyousuke resolves himself to protect her from the pack of killers he calls classmates. But, if someone, let's say Renko, were to find out that Kyousuke's most important 'Ayaka' is his sister, there'll be hell to pay! Facing dangers left and right, Kyousuke will have to be more resourceful than ever to get himself - and his sister - out in one piece.

(W) Mizuki Mizushiro Just before the start of summer break, Kyousuke is summoned to Eiri's home. Academy administration readily approves the trip, and he heads home with Eiri! They thought it would just be the two of them, but Renko and Ayaka, after winning parole with their exam scores, decide to tag along. Since the Akabane are a family of assassins, Kyousuke is, to be honest, more than a little uneasy. But they are met with an unbelievably warm reception at House Akabane. Even as the others appreciate the pleasant atmosphere, Eiri is sullen the whole time. The sweet, summery fourth installment of the hardcore love comedy where the more he loves, the more dangerous it becomes.

(W) Mizuki Mizushiro (A) Namanie Love bites...and might also kill in this raucous comedy of horrors when Kyosuke Kamiya is sent to Purgatorium Rehabilitation Academy--a place filled with beautiful, but deadly, ladies! 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: if their class doesn't win the athletics festival, Kyousuke and Renko can't get married! Can he sort out his ambiguous feelings for Renko while surviving the upperclassmen's bloodlust?

(W) Mizuki Mizushiro (A/CA) Namanie Love bites...and might also kill in this raucous comedy of horrors when Kyosuke Kamiya is sent to Purgatorium Rehabilitation Academy--a place filled with beautiful, but deadly, ladies! The school festival has arrived, and the students of Class A are putting together a maid cafe. Renko Hikawa returns to the school after collapsing in her fight against Kyousuke at the athletics festival, and she's looking forward to a school life even more enjoyable than before. When Renko's parents visit for the festival, they're even more determined to put an end to the relationship between their daughter and Kyousuke--by demanding him to drop out of school! With both the school's deadly exams and Renko breathing down his neck, will Kyousuke finally sort out his feelings for the Murder Maid?