Identifying which end is which of a chocolate cornet can be confusing and puzzling. Such is the enigmatic nature of this pastry that the girls in Ms. Kuroi's class are left pondering on a daily basis. The group comprises of Konata, an avid anime lover, Miyuki, an adorable and knowledgeable genius, Kagami, a quick-witted and assertive individual who can handle Konata's teasing, and Tsukasa, Kagami's compassionate but somewhat clumsy twin sister. Together, they fearlessly tackle the mundane and strive to discover the extraordinary in everyday life.