The comedy manga that deals with the school life of some Japanese high school girls, and their teachers was published from 1999 to 2002 and includes about 600 pages and was continued in 2009. It was also known as anime television series filmed. The opening and closing theme single Soramimi no Cake/Raspberry Heaven was released on April 22, 2002, and peak ranked 36th on the Oricon singles chart.
Begin their first year of high school among other Tomo Takino, Koyomi "Yomi" Mizuhara and Sakaki, all heading in the same class. Tomo and Yomi have been since elementary school in the alike class and, despite frequent disagreement's friends.