The storyline follows the daily extertions of Meiko's school life from the main continuity of the Prison School series, focusing on Meiko's senior high-school year at Hachimitsu Academy.

People with crazy worries visit the basement.A masked "guide" awaits such lost visitors. The "guide" says, "Never tell anyone what you see or hear here." At a facility in the basement of a hospital, human...

"You guys are crazy!" Any bad guy who hurts them will face their wrath! These four high school girls are on a quest for sweet revenge! After school, the group goes to a family restaurant to plan their next move...

I'm going to make them choose the same hell my mother and I witnessed! Will they die protecting the ones they love, or will they die themselves? Which way will the scales of revenge tip? Shiro had been severely...

Raul who had defeated the demon king as the strongest hero should have become the savior of the world.Having his treasured companions and family killed by power hungry aristocrats, he was executed with false...

"Your daughter has committed suicide," is the news an unremarkable middle-aged man named Wataru Fukunaga receives, and soon after he finds himself face to face with the unrecognizable body of his daughter. In...

Aika used to work at a shady company, where she was subjected to incessant bullying and made to work long hours, taking away from her limited time with loved ones. Years later, she returns to the company after...

Spring, 1991. Mysterious gold metal balls fall from space... The balls were too small to be sensed by humans, so they were scattered across the entire earth without incident!

Is there someone whom you desperately wish to see dead? If you want your enemies and rivals eliminated, free-of-charge and with no possibility of the crime being traced back to you, all you need to do is leave...

Mikashina Akeru and Michika are step sisters to the older Hanabusa Yu, but they are so close that they might as well be related by blood. Yu is a teacher at the school that both Akeru and Michika attend but is...

Neiko Futaba is the school idol, but she's more than she seems. Only her beloved younger twin brother Otohiro knows about her overly clingy persona, much to his dismay. On top of that, it seems Neiko seems to...

The story takes place during the 2595th year of the Ko (Light) Era. Ko, the country of the rising sun, invaded several countries and war rages. Its territory does not stop growing and in heaven, the battleships...

Kan and Fuyumi met for the first time three years ago at the wedding of Kan’s older brother. After that, nothing, until Kan goes to register for classes at college and discovers Fuyumi working in the registrar...

Takeko Ooyama joins an otaku club in the hopes of being worshiped as a princess as she'd be the only female member, but the club she joins only has two members (including herself). Based on a one shot of the...