Hibari is a first-year student at Hanzō National Academy and a recurring playable character in the Senran Kagura series. She comes from a long-standing noble family of ninjas, and despite having many siblings who showed greater promise and skill, Hibari was chosen as the family heir because she was the only one of her generation to develop the rare genetic trait known as Kagan. This power, which manifests through her unusual eyes and grants her the ability to control the minds of others, is a double-edged sword as she struggles to master it alongside her other shinobi skills.

Physically, Hibari is an upbeat girl with pink hair tied into two pigtails by three black ribbons. Her most striking feature is her eyes, which are peculiarly dotted with two pink, cross-shaped pupils. Her outfit resembles a student in gym class, consisting of a light pink track jacket displaying the Hanzō emblem, dark blue biker shorts, black and white socks, and red and white sneakers.

Hibari is defined by her exceedingly innocent, trusting, and cheerful personality. However, beneath this bright exterior lies a deep-seated insecurity about her own abilities. She often feels she is not cut out to be a kunoichi and worries that she is holding her teammates back. She dislikes having to rely completely on others, as it makes her feel weak, yet she often depends on her friends, particularly Yagyū. Despite her frequent mistakes and self-doubt, Hibari always tries her best to keep up with her peers and prove her worth to the team, driven by a genuine desire to contribute. Her cheerful and genuine nature has allowed her to make many friends, more than she believes she deserves.

Hibari never truly wanted to become a shinobi, harboring a dream of opening a shop to sell sweets. Her path was largely determined by her family's expectations and support. While she found the enthusiasm and backing of her siblings, who were proud instead of jealous, to be oddly discouraging given her ineptitude, she could not bring herself to give up and now does her utmost to become a great shinobi. This family dynamic is the likely source of her innocence and sweetness, but also the root of her lack of confidence.

Possibly her most significant relationship is with her classmate Yagyū, who took the younger girl under her wing when they first started school. Yagyū sees Hibari as a very close friend, cherishing and protecting her because Hibari reminds her of her deceased younger sister, Nozomi. While Hibari generally appreciates this love and care, she sometimes becomes annoyed with how Yagyū babies her, as it reinforces her feelings of helplessness. When Hibari gets angry with Yagyū, the older girl experiences a form of depression, but she remains determined to protect Hibari at all costs. Over time, Yagyū has come to see Hibari not as a replacement for her sister, but as her closest friend.

Within Hanzō Academy, Hibari looks up to both Ikaruga and Katsuragi as senior students and older sisters. She sometimes gets involved in Katsuragi's mischievous antics, either by imitating her or simply going along with them, which often prompts an annoyed Yagyū to step in. Her relationship with the evil Hebijo Academy student Haruka is also notable, evolving from antagonistic to genuinely friendly. Haruka has shown a special interest in Hibari, wanting to make her into a doll, but Hibari later seeks Haruka out for advice and training, even asking for help in evolving her Kagan powers.

In the story, Hibari's arc often revolves around her struggles with inadequacy and her desire to be seen as more mature. In Estival Versus, she becomes tired of being treated like a child and embarks on a quest to learn what it means to be a woman, seeking guidance from various characters including Ryōna, Imu, Haruka, and even the stoic Miyabi. This journey highlights both her naivety and her earnestness. Through her interactions and battles, such as her realization about Minori's motivation for fighting, Hibari demonstrates surprising empathy and insight, showing that her perceived weakness is often a source of emotional strength.

As a fighter, Hibari is not very skilled in a conventional sense. Her self-invented combat style is called the Odd Pummeling Martial Arts, a form of taijutsu that resembles a child in a scuffle. To compensate for her lack of technique, she often incorporates static electricity into her attacks to shock and stun her opponents. While her combat ability is low, she excels at intelligence gathering. Her secret ninja arts utilize the power of her rabbit motif alongside electricity, and she possesses an ability that allows her to enlarge her body to a giant size, causing chaos by sitting on groups of enemies.