@Mogima There actually is a novel and webnovel, but no one is currently translating it. If you google the japanese name, it can take you to the webnovel its based on the Soyetsu webnovel site.
@Barajou Truth be told, I wouldn't be surprised if the whole prison is chock full of them...
You have the overly rational female lead who seems like she'd be a akuyaku reijou at some point, the clumsy overly strong but passionate guy, the "actor" guy, the gourmet guy who thought of nothing of the worlds standards... Heck, I'd think that they're all just people who got tossed to that world and went on their uncontrolled antics and suffered for it...
@TetraSky@CronosusCZ : Or the supernatural power do exist, but rather than chanting/praying and hope something happen (the magic Elma speak of), Greed has taught her the science behind magic so to her even if she's using mana to perform 'magic', it's all 'science'.