She is the titular character of the series and its main protagonist. She is a very strong-willed, athletic, and attractive gal who rules the streets of Shibuya. Although she comes from a long line of police officers, she is ditzy and absent-minded when it comes to school and the only subject she gets good grades on is physical education and her poorest subjects are mathematics and literature and has trouble even solving problems from lower grade levels. When she was in elementary school, she was actually enthusiastic to become a police officer, but quit the ambition after learning that if she becomes one, she won&#039;t be able to wear her favorite accessories or dye her hair. She is usually obsessed with anything that is trendy or catches her eye, usually brown-nosing guys who find her cute to buy them, and is also quite gluttonous; but inside her heart, she has a strong sense of justice that runs in her blood and is extremely intimidating and tough when she&#039;s in combat mode. She is a role model to the junior students at Hounan High for her social status as a magnificent gal for justice and her very understanding nature for teens who are learning to cope, but there were some who looked upon her with jealousy and anger. 

Despite being an underachiever (barely being able to graduate in the manga), Ran is actually pretty smart and has a good memory on what she is interested in (like shopping). There is a running gag in the manga that some of her friends say, &quot;If only she used that (memory, concentration, etc.) on studying...&quot;. 

Ran's boyfriend is Tatsuki Kuroi, who is as ditzy and dumb as she is. Their love life is complicated (but strangely comedic at times), since Ran doesn&#039;t really care about boys, but she does like her boyfriend, and kissed his cheek (only in the manga). Also, she has a foreign friend, Vivian Lin, a Taiwanese celebrity who looks amazingly like her, whom she met during a school trip to Taiwan (only shown in two stories of the manga). 

~!After the series was over, Ran eventually did become a police officer (As was shown in Mihona Fujii&#039;s page in the KochiKame Anniversary Book).!~

Sporting designer clothes, make-up, and nails, Ran Kotobuki is the very picture of a trendy, young Shibuya girl, but don't let that fool you. This girl comes from a family of cops, and she&rsquo;s ready to lay you out flat if you even think about causing trouble in her town! At least, she will... when she&rsquo;s not distracted with karaoke, shopping, and dodging her homework. Join Ran and her friends as they defend the streets of Shibuya and attempt to shop their way into the history books as the most famous Gals ever! 
(Source: RightStuf)

__Hobbies:__ anime, games  

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Self-styled Kogal queen Kotobuki Ran and her friends just wanna have fun, which includes shopping, hanging out, and scamming meals off gullible guys. Unfortunately, their "hood"&mdash;Shibuya&mdash;is in constant danger of being despoiled by dirty old men, street gangs, nasty Kogal rivals, and other societal evils. But with a little help from her friends and a toughness born of coming from a family full of cops, Ran takes on the bad guys (and gals) with gusto! 
(Source: CMX)

Invincible gal, Kotobuki Ran. After graduating from high school, she continues to be an admired gal in Shibuya with her best friends Miyu and Aya!!
 
Aya and Otohata goes to the same university. Miyu gets married and goes to a junior college. Ran and Tatsukichi are on standby for the police recruitment exam... 
 
Chaotic, full of passion, pure-hearted street ☆ the sequel of "GALS!" with grown-up girls has started!