Her personality changes depending on what color ribbon she's wearing in her hair. When she wears white ribbons, she's a weak little sister. When she wears black ribbons, she's a strong leader. And when she's in her "Spirit form" for too long, she develops a third personality that makes her a ruthless killing machine.
In short, Kotori's a moe little sister, tsundere commander, and psychotic killer.
Kawamura Takashi from Prince of Tennis....He is a soft-spoken person off the court, very gentle and shy, though still outspoken and stubborn when he takes a decision. However, he becomes extremely aggressive and loud once he grabs his racket, या any racket. This change in his personality is marked द्वारा him shouting "Burning!!!" "Great!!!" "Baby!" His personality along with these कीवर्ड्स when he holds a racket is most likely just for comic relief, but his personality change does have a large impact on his skills. While in his Burning Mode, he has a tendency to speak in English and to call people, mainly underclassmen, monkeys.
