Warau Kanoko Sama

Although she doesn't get along with people very well, Kanoko considers herself a perfect "observer". Her hobby is observing the students in her third-year junior high class and keeping a journal of the classroom drama. But what will happen when Kanoko becomes involved with some of her classmates? --Mangafox

This manga provides examples of:
 * Alpha Bitch: Marine
 * Good Is Not Nice: Kanoko and Tsubaki
 * Jerk with a Heart of Gold: Kanoko and Tsubaki
 * Meganekko: The titular character and Sachiko for the first half of the third chapter.
 * Tomboy and Girly Girl: Momoka and Kanoko