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.

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 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.

Equipment
Eye-Patch: Rinna's eyepatch seems to be sealing her real power, as she had threatened her own teammate with unsealing whatever was contained in it.

Device
Collar of Subbordination: Rinna's device is revealed to take the shape of a animal collar.
 * Animal Taming: Rinna's device allows her to be capable of taming and riding on the animals she tamed.

Trivia

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