Former Girls' School

A male protagonist attends a middle or high school that until recently was open only to girls and still has mostly female students, thereby justifying the mostly female supporting cast.


 * Seitokai Yakuindomo, in which most the girls are uber-perverted and the main male of the cast is the Only Sane Man in the most literal sense.
 * The World God Only Knows provides a fitting setting for a Dating Sim master.
 * Girls of the Wild's has the male lead as the only boy in the school.
 * High School DxD
 * Prison School