(Thank you very much to 'Wufeng Haotian,' 'Sui Feng Qi Wu,' 'Ye Yue Chen Yu,' 'Qiguan Xuanqi,' and 'Breezeless Skyline' for your tips!)
From Rias, Noah learned that there were basically three types of humans in this world who possessed power capable of rivaling demons, angels, and Fallen Angels.
The first were magicians and mages who could use sorcery and magic.
The second were possessors of Sacred Gears, extraordinary powers created by the God of the Bible and housed within their bodies.
The third were exorcists who joined the ranks of angels or Fallen Angels, received from them the power to wield light, and worked for them.
Just as Noah, an unknown variable entering Kuoh Academy, had drawn Rias's attention, there was no way Rias would fail to notice someone who possessed a Sacred Gear.
However, unlike Noah, who clearly understood how much power he possessed and how to use it, Issei Hyodo obviously did not know that a Sacred Gear resided within him.
Thus, while Noah and Rias spoke, Issei Hyodo, watched by them as though they had their eyes on prey, could only give an awkward smile. He subconsciously shrank back, then timidly raised his hand to speak.
"Um... Teacher, Senior? Could you explain it in a way I can understand? Demons, Sacred Gear possessors... I don't understand any of this, you know?"
"It is only natural that you would react this way, because the Sacred Gear in your body has yet to awaken. Even though such power resides within you, you are still an ordinary person until it awakens. You probably have no real sense of it yet, do you?" Rias said, folding her arms.
"I had not intended to tell you this much in the first place. After all, you are still under my observation. I