Tsubasa Yura

Tsubasa Yura is a third-year student at Kuoh Academy and one of Sona's Rooks.

Appearance
Yura is a tall girl with blue, shoulder-length hair and matching eyes. She has the basic appearance of a tomboy, and has a bishounen face.

Personality
Tsubasa is shown to be a polite girl. She appears to have an interest in men who become muddy after they fight, which attracts her to Issei Hyoudou.

History
Not much is known about Yura's past, other than at some point before the series, she was reincarnated into a Devil by Sona, and joined the Student Council in the process.

Birth of the Breast Dragon Emperor
Yura makes her official appearance in Volume 3 when Sona introduces her peerage to the Occult Research Club and assisted in maintaining the barrier when Kokabiel attacked Kuoh Academy.

In Volume 5, she fought against the Occult Research Club in a Rating Game between their masters. During the match, Yura, Tomoe Meguri, and the Vice President of the Student Council, Tsubaki Shinra, faces off against Yuuto Kiba and Xenovia, losing to the two after Yuuto uses the technique he and Xenovia created, Durandal Birth.

The Heroic Oppai Dragon
In Volume 9, Yura and the second year students went to Kyoto for their school trip. When the Hero Faction attacked Kyoto, she and the second-year members of the Student Council were ordered to guard the area at the Kyoto Station and the hotel they were staying.

In Volume 10, Tsubasa and along with the Sitri group took part in their masters Rating Game against Seekvaira Agares and her peerage under Scramble Flag rules which they manage to obtain victory.

She appears again in Volume 11, congratulating Issei for his Mid-class recommendation for promotion and asked for his autograph, saying that Issei is the type of guy that she likes because he is always muddy after a fight, and admires Issei for his fight with Sairaorg Bael.

In Volume 12, during the battle in the Underworld against the Khaos Brigade, Tsubasa and the rest of her friends soon faced off against Heracles and Jeanne from the Hero Faction.

The Legend of Oppai Dragon and his Lively Companions
In Volume 14, she assisted the Occult Research Club in their attempt to rescue their first-year members from Khaos Brigade and the Stray Magicians.

In Volume 16, she, along with the rest of the Student Council, participated in the meeting for the formation of D×D.

As Sona's rook, Tsubasa assisted in the experience day of the school her master built in Volume 17. When Qlippoth launched their attack, she was partnered with Xenovia to help defend the school from the mass-produced Evil Dragons.

In Volume 18, Tsubasa along with the rest of the Student Council participated in the Christmas Project.

Tsubasa participated in the fight against the exorcists that rebelled against the Church in Volume 19. She and Tsubaki managed to block the barrage of range attacks coming from the exorcists using their Sacred Gears.

In Volume 20, Tsubasa and the rest of her group were sent on a mission to retrieve the city Agreas that had been found by the team DxD, they were sent in first as a diversionary unit where they faced off against members of Qlippoth.

In Volume 21, the entire Sitri team were sent to the Underworld in the Bael territory to stop a group of rebels led Bedeze Abaddon, who was trying to push the blame of the corruption of the Rating Game onto the Bael clan. Afterwards, Tsubasa and the rest of teammates headed to the Human world and join the war against Qlippoth's army, led by Apophis whose in control of one of Trihexas bodies while on route in the direction of Japan.

Powers & Abilities
Enhanced Strength and Defense: As a Rook, Yura possesses enhanced strength and endurance. Using her Rook trait she can enhanced Twinkle Aegis giving it immense defense.

Expert Hand-to-Hand Combatant: Tsubasa has been said to excel in hand-to-hand combat.

Reverse : A type of magic that turns the effects of any power or object into it's opposite. She first used it to reverse Xenovia's Holy Sword attack, turning the Holy Energy into Demonic energy.

Equipment
Twinkle Aegis : Tsubasa's Artificial Sacred Gear which can create a giant shield of light. The Twinkle Aegis can also be released towards the enemy while spinning like a yo-yo and can have fire and lightning surrounding it. According to Sona, the Twinkle Aegis has a fairy residing in it through a pact and is able to change its ability.

Trivia

 * According to Issei, Tsubasa has high popularity among the girls for having a bishounen face.
 * Yura is the only known Rook to have a Sacred Gear, although hers is artificial.