The older brother of Cha Yoonji. He is a merchant who allowed Jieun's team to hitch a ride back to her home. He is quite fond of the Academy and their students and are grateful for their work. He and his sister lives just outside of the City of Primis.

The younger sister of Cha Sunwoo. She often stays back home (located a few miles outside of Primis) and looks after the place. She knows how to defend herself from bandits or from anyone who tries to come in. She appears cold and angry often, but that's because her brother had often brought strangers back home who robbed them.

The former Keeper of the Sleef. He was originally supposed to be in jail, but he managed to escape. He has a cult following and is very sensitive.

The former Keeper of the Corolla. She has a weak and ill body but has been able to live for several years with her youthful appearance due to the Corolla. She is quite mature and seemingly emotionless, but she treats Jieun as a good friend. As the Keeper of the Corolla, she is aware of where most of the Mythos are and frequently communicates with some of the Keepers, often to warn them about immediate danger and so on.

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