Mami is a rival of Ran, known as the &quot;Queen of Ikebukuro&quot;. Later on in the series, Mami falls in love with Yuya.  In the anime, she comes from a very rich family.     ~!She also develops a truce with Ran in Volume 5 of GALS!; It&#039;s okay to have a change of heart.!~ 

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)

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!

Mami Honda