Kyongju is Kyoji's older brother, the one set out to run a pack of his own but couldn't they all ran from him. Soon Kyongju ran into Kyoji out strolling with another wolf, she looked pretty as two followed behind them a grey and orange/yellow colour. He walk up to him and pleaded to join them, and with his brother being the kind soul he is accepted him.
He learned about his Pair-bond Crimson Wood or Crimson. He was jealous that Kyoji could find love but he couldn't, he would have loved having an partner to travel with like Kyoji does.
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Hunter 
Hunter