In games, Hoshiumi is calm and collected, but she's actually an enthusiastic, loud, and proud person who claims that her abilities have always left other people in shock because of her height. She is quick to become irritated, especially when people fail to show her an impressed look or when they comment about her short stature. Hoshiumi has known about her weakness and the physical limitations of being short since the third grade. Although she initially cried over the unfairness of her height.