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Kotori Itsuka (五河 琴里)Age: 14
Birthday: August 3
Height: 145 cm
Blood Type: AB
Eye Color: Pink
Hair Color: Pink
Affiliation: Ratatoskr (Commander)
Occupation: Middle School Student, Fraxinus Commander
Favourite Candy: Lollipop
Things she likes: Bath Bomb
Things she dislikes: Horror stuffs
Relatives: Shidou Itsuka (Adopted Older Brother)
Favourite Quote: "Let our date begin"
Kotori is Shidou's foster sister. Kotori is the head commander of Ratatosk which teaches Shidou about the spirit and spacequakes happening. She told Shidou how to save the spirits in a peaceful manner so as to prevent the spacequake from happening.
Kotori has two modes which is depicted by the ribbon she wears. The white ribbon depicts the Imouto Mode which makes her show love for her brother. The black ribbon depicts the Commander Mode which shows her tsundere sadistic bossy nature.
Kotori as a commander of Ratatoskr, would know certain information that is only selective Ratatoskr members would know, while the rest would not.
A middle school girl with twintails. She uses white ribbons while in 'sister mode'. Also, while in 'sister mode', she is not often seen wearing too much clothing that has red. In 'commander mode', she uses black ribbons. She also wears a red coat, black tie with red sidelines, a red skirt with white cloth-like sticking out and a pair of black boots. The most noticeable part of her appearance falls under how she's constantly occupied with a lollipop in her mouth.
Kotori has three different personalities depending on the situation at hand. As a human, her personality changes according to the color of the ribbons she's wearing: while wearing white ribbons she is that of her "weak self", a delicate little sister who is very dependent upon her big brother; and when wearing black ribbons, she becomes her "strong self", a charismatic and sometimes cynical leader able to successfully command the airship, Fraxinus. According to Reine, the Kotori with white ribbons is the one that can honestly say how she feels, which would mean that the Kotori with black ribbons is simply putting a strong front because the situation requires so.
Shidou Itsuka: Shido is Kotori's adopted older brother. Her love for her brother has been shown many times. She treats her brother lowly when she is in commander mode. When she is in sister mode, she sometimes harasses her brother.
Reine Murasame: The most reliable person that Kotori depends on when she has something to ask or to discuss about.
Kyouhei Kannazuki: Kotori treats Kyouhei like an idiot because he acts like one and most of the time she completely ignores him.
Mana Takamiya: They are both rivals as being sisters to Shido. However after Mana defected from DEM, their relationship has gotten better.
Fraxinus: Kotori's subordinates, she treats them fairly as their commander.