[[Kogal]] character by [[Suzuki Ken'ya]].
Has a distinctive [[asymmetrical hair]] style with a [[single side bun]] on the left and [[one side up]] on the right. She's slightly [[plump|chubby]], and has notably [[large breasts]], which are joked about in the manga several times.

From the webmanga [[Oshiete! Galko-chan]].

Japanese description: 
やや毒舌だが気の良いクラスの人気者。趣味は映画鑑賞。
ギャル子 ギャル子ちゃん