While Hiori comes off initially as harsh and stoic, in reality she just struggles opening up and socializing with others, which can lead to misunderstandings sometimes. Even if she sounds harsh sometimes, she is a really kind girl. Because of this, she treasures every friend she makes. Hiori is a serious and hard-working girl, always doing her best to achieve her goals. However, she tends to doubt herself and compares her capacities with others.