In her initial appearances, Okano was often shown to be serious with a relatively neutral expression. As the series goes on, she's later shown to also be playful in addition to being serious. She is also described as someone who acts before she thinks. Megu said that Okano is an honest person, but gets really stubborn when she's angry. Okano has two brothers, both younger and older, meaning sports and muscle are what is talked about at home, potentially the reason she enjoys sports and gymnastics so much. Okano dropped to Class 3-E from neglecting her studies due to club activities, causing her grades to drop rapidly.