Somehow this seems to have a slight similarity to kaichou wa no maid sama except in reverse.

The story centers around Ōsai Academy, a former all-girls private high school which has recently been integrated for both genders. The student body is split between 524 girls and 28 boys. Takatoshi Tsuda is pushed into becoming the vice-president of the student council, where he is the lone male member surrounded by girls.