Gakuen Utopia Manabi Straight!
Manabi Straight! follows the lives of a group of young high school girls living in the year 2035 while they attend the all-girl Seioh Private High School (Shiritsu Seiō Gakuen). Since the birth rate has dropped dramatically, schools are being closed down due to the sheer lack of students available to teach. Morale in schools has dropped dramatically, and Seioh is no exception. The story begins when the main character, Manami Amamiya, transfers to Seioh High School.