Kiyoharu is a teenage fair-skinned girl with light blue eyes and short blonde hair that is tied with either a pink or bright red ribbon. Her most common outfit is her school uniform, which consists of a short-sleeved shirt with a bow, a chocolate-colored plaid skirt, long white stockings and black shoes. Throughout the series she is also seen wearing a swimsuit and casual clothes.
When using her stick, the tips of her hair change to pink-purple and blood flows down from her scalp and down her forehead.
Beneath her sweet, sociable nature, Kiyoharu is a silently determined individual who holds vindictive malice for her bullies. She has expressed her utter disdain for her peers to Kosame Amagai in private and plans to exact vengeance to her bullies only after they had found happiness, just so she could feel the satisfaction of "throwing them from paradise into hell."
Kiyoharu is a transgender girl who is bullied at school for her gender identity. Since she was able to receive a stick from the site and become a magical girl, the site recognizes her as female, suggesting that anyone who identifies as female is able to become a magical girl regardless of their biological sex.
Kiyoharu's ring has the power to link directly with her target's sensory system to control their body and experience their senses remotely, she can also read the minds of others. Though, this is most commonly used to instantaneously communicate with any number of other magical girls regardless of their location or to confirm whether or not someone is still alive.
- Her emblem appears to be the letter "S".
- She is the first transgender female to receive a Stick from Hachi.
- "Kiyo" means "Contribution" while "Haru" means "Spring".
- She loves cute things, taking baths. She dislikes insects and ghosts.
- In Chapter 86, she acts as the "voice" of Aya Asagiri, Since Aya doesn't talk anymore after the death of Tsuyuno Yatsumura.
- Kiyoharu's mother appeared in Chapter 89, but was killed by Kyu. In Chapter 92, Aya made use of Alice Misumi's stick and succeeded in rescuing her mother by rewinding time a few minutes.
- Her birthday is on November 12th..
- Along with Kosame Amagai, Kiyoharu's horoscope is Scorpio.