Tsubaki Shinra

Tsubaki Shinra is the Vice-President of Kuoh Academy's Student Council and Sona's Queen. She is the fourth most popular girl in the Academy.

Appearance
Tsubaki has shoulder-length black hair with split bangs and heterochromic eyes. In addition to wearing the Kuoh Academy girls' school uniform, she also wears blue, semi-rimmed glasses with square lenses.

Personality
Like her master, Tsubaki has a serious personality and is rarely seen smiling. She also cares deeply for her teammates.

History
Not much is known about Tsubaki's past except the fact she was reincarnated into a Devil by Sona some time before the series.

Birth of the Breast Dragon Emperor
Tsubaki first appears in Volume 3 when Sona introduces her peerage to the Occult Research Club.

In Volume 5, she, Yura, and Meguri faces against both Yuuto Kiba and Xenovia on separate occasions during their masters' Rating Game. While she manages to defeat Xenovia, she failed to gain the upper hand against Yuuto by sword skills alone. She was force to retreat during her one-on-one duel with Yuuto after the interference by Akeno when the latter started to use her Holy Lightning. Tsubaki was then chased by Yuuto who fought her one more time revealing the Durandal lent to him by Xenovia, allowing Yuuto to use the holy aura from Durandal to defeat her.

The Heroic Oppai Dragon
In the student council room Issei was told by other members of student council that she has fallen in love with Kiba after her defeat to him in rating game.In Volume 12, she and the rest of the Student Council were protecting the children of the Underworld from Heracles and Jeanne from Khaos Brigade's Hero Faction but was at a disadvantage due to the two of them using the children as hostages.

Powers & Abilities
Tsubaki has the common powers and abilities of Devils. Also, she is a master of naginata capable of rivaling Yuuto and Xenovia. She also has the powers of a Queen, granting her enhanced strength, speed, durability, and magical power. Her Sacred Gear, Mirror Alice (追憶の鏡（ミラー・アリス） Mirā Arisu, lit. "Mirror of Recollection"), creates a mirror that if destroyed reflects double the damage on the attacker, but cannot be summoned twice in a row without a cool-down period.

Trivia

 * Tsubaki's height is 170 cm. (5 feet 7 inches) according to the visual book with her data.
 * In the anime, she takes part in the dodgeball game to determine who should get their familiars first.
 * Tsubaki is the only Queen that uses a Sacred Gear.