is the title of thirty Japanese fictional short stories which focus on a group of teenage girls attending three affiliated all-girl schools.
A common theme throughout the stories are the intimate lesbian relationships between the characters.
The game started in the January 2004 issue of the magazine and concluded in the February 2005 issue; this resulted in twenty-five short stories (except for the first) which had been directly influenced by reader participation votes in ten separate rounds of voting.
These seven stories were published between June 30 and December 30, 2004, which corresponds to the August 2004 through February 2005 issues of Dengeki G's Magazine.
After a three-month hiatus, more stories returned in the May 2005 issue of Dengeki G's Magazine on March 30, 2005.