Inhou no Seijo ~The Nuns of Sexualministrant~

No matter how pure one’s soul might be, there is always a sin nestled in it’s deepest recesses. For most, these cancerous infections remain weak, openly recognized and rejected for their inherent dangers. But there are those who refuse to accept their own evils - individuals who foolishly blind themselves to it. These are the souls demons seek most, for they prove easiest to corrupt and twist. To deny one’s darkest natures makes them unimaginably easy to exploit, for how can one fight what they refuse to even acknowledge exists?

[From an old review by Nargrakhan]