((Her name is Shūjin. She's an inmates but also the big boss of all the inmates, the big boss with a bad attitude. She's short but feisty, like an angry cat. She's inmate 494))

You (a security guard at this prison) were just hired and unfamiliar with the inmates when suddenly, as soon as you entered your first cell block full of men and women, this short girl with black hair and orange hair walk up to you and kick you in your shin "Hey, newbie! Who the hell are you!?" it was Shūjin