Rinna Kazamatsuri

Rinna Kazamatsuri is a member of Akatsuki.

Appearance
Rinna is a petite girl with pink hair dressed in a pink dress. She has an eye-patch patched to her right eye.

Personality
Rinna seems to be very arrogant of her own powers as she seems to talk down to Renren and continues to call Renren human believing herself to be above human level. However, it seems she also is very courteous to other people whose strength she respects, as shown with Ikki when she offered him a job to be her servant based on what she had seen.

History
At some point in the story Rinna had joined Akatsuki Academy.

Akatsuki Strikes
Rinna is seen riding a lion going to Hagun Academy, along with the other members of Akatsuki, with the intentions of destroying it.

After they had done so, the Hagun Academy's participants in the Seven Stars Sword Art Festival, had arrived and the two had nearly clashed, however, Akatsuki was betrayed by Nagi, and were cut down. However, it is revealed that they had seen Nagi's betrayal coming and had prepared clones of themselves in their place in order to take Nagi by surprise.

After Ikki, Shizuku, Stella and the Hagure sisters had left Rinna faced off against Renren. She was able to easily outmatch her in all categories (speed, power, etc.) and defeat her with not much trouble as the other student council members were defeated as well.

The Akatsuki members had decided to go after Stella and the Hagure sisters and were able to catch up to them, however were stopped by Nene who was able to easily overpower them, except Ouma. Rinna and the other Akatsuki members had decided to retreat had they had done what they came to do.

Party Crashers
Rinna is seen at the party with her maid, confronting Ikki and Shizuku. She offers Ikki a job as her servant, revealing that she is very well off. Although Ikki initially refuses the job offer he does accept her business card. She then leaves with her maid.

One vs Four
In the preliminary round of the seven sword festival, Rinna accepts Stella's challenge to fight against her, alongside Hiraga, Yui, and Mikoto. Rinna's lion is scared off by Stella, after seeing Stella's dragon like aura. Rinna is protected from Stella by her maid, Charlotte. Charlotte is shown to be Rinna's ace, as she is able to fight against Stella equally. Rinna and Charlotte are still beaten by Stella's overwhelming force. Rinna decides to drop out of the tournament, after her match with Stella.

The Festival is Over
Rinna participates in the party after the Festival. She is seen talking with Kanata. Kanata questions why Rinna joined Rebellion, and Charlotte tells Kanata that Rinna joined, because of Rinna's father, Kouzou Kazamatsuri and Bakuga Tsukikage are old friends. Kanata tells Rinna she shouldn't do such criminal activities, and even threatens to censor a manga Rinna likes. Rinna quickly agrees to this.

Night of Massacre
Later, after the Seven Stars Sword Art Festival Rinna, Sara and Charlotte bring Bakuga to the destroyed headquarters of Rebellion to meet Kouzou Kazamatsuri.

Abilities
Subordination: Rinna is able to subordinate animals or people with her Device.

Blazer Transformation: Through her ability, Rinna is able to grant normal humans she subjected powers of a Blazer.

Device
Collar of Subordination: Rinna's device is revealed to take the shape of an animal collar. It can also be used on humans and can transform normal humans into Blazers.
 * Animal Taming: Rinna's device allows her to be capable of taming and riding on the animals she tamed.
 * Lion king's roar: While on the lion Rinna is able to use this ability which causes the lion to roar and some how stops the opponent.
 * Ichirin Junka: While on her maid, Charlotte is able to use a near absolute defense, allowing her to create barriers, as well as create a blades and shurikens.

Trivia

 * Rinna has a case of chuunibyou (中二病 roughly Middle School 2nd Year Syndrome)