Season 6

Season 6 continued to focus on the school life of St. Joseph secondary school [ fictional place] in America. Later on, the school plot is no longer important. This season mainly focused on "GRADUATION" and "POST-GRADUATION LIFE". Cherry continued as the leading character until graduation. After graduation, Ann is promoted to be the leading character.

Since this season, the season is divided to two parts [A] and [B]. They are both 15 episodes in total. [A] is mainly about school life, a little bit about alumni but [B] is mainly about adulthood life of alumni, a little bit about school life. It is also the season all original cast graduated. It gave a various impact to the season 7. Class of 2007 got the dominate position. Class of 2010 is introduced in this season.