The unforgettable experience of being tormented for little to no reason, is a painful ordeal, both physically and mentally.
An ordeal that 16-year-old Misao Hyakushiki had suffered since a very young age before meeting her adoptive older sister, Momoko Hyakushiki, the warden of Nanba Prison. As a result, she has become a hollow shell who is incapable of acting without orders, and relies on the flip of a coin to decide her own path, even for trivial things.
As the youngest guard of Building 13 of Nanba Prison, she shares the responsibility of handling the chaotic group of inmates from Cell 13. Join Misao as she performs her duties as a prison guard of the impregnable Nanba Prison, meet other peculiar people, and slowly begins to mend her broken mind.
But within the invincible walls of the strongest prison, hide countless dark secrets that could possibly damage Misao even more.
A/N: I do not own Nanbaka or any of the images in the story. This will be a mix of both the anime and the web manga. Major spoilers to those who have not read the manga yet.
Nanbaka is a prison full of men
But what happens when a female inmate joins them?
She is also a stunningly beautiful lady, she's very nice, and kind, the inmates like her, even the guards like her.But why is she in prison?
And just what secrets is she hiding?
•Cover is made by me, but the pictures in the cover aren't mine