The story is set in a world plagued by , a mysterious condition that causes ordinary young women to suddenly develop murderous split personalities. These girls commit horrific atrocities with no memory of their actions afterward.
The series has been serialized since 2017 and moved to the platform in late 2023.
: Chika soon discovers that Haguro is not just a prison but a facility run by a corrupt corporation. They use medical experiments to activate the "murderous personas" of inmates by implanting the mindsets of famous historical serial killers. The story is set in a world plagued
: The plot follows Chika Amagi , an ordinary high school student who is sentenced to life at Haguro Island Prison after killing five men in a desperate act of self-defense.
: This chapter is part of the later stages of the manga, following the girls as they navigate high-stakes missions and the brutal reality of their "training" competitions. : Chika soon discovers that Haguro is not
(Japanese: サタノファニ, Satanofani ) is a dark seinen manga written and illustrated by Yoshinobu Yamada that blends psychological horror, brutal action, and heavy fanservice. The Story Premise
: While the manga entered its final stage in mid-2021, it has continued with over 30 volumes released. : This chapter is part of the later
: The corporation aims to weaponize these girls into a team of elite assassins, each possessing the unique skills of the killer they were modeled after. Recent Developments
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