Seitokai no Ichizon

This casual school story features a student council made up of beautiful girls elected through a popularity contest and one boy!

The student council of Hekiyo Private Academy is chosen not through a normal election but through a popularity contest. Ken Sugisaki is the one student who managed to join the council through his good grades, and his wish is to create a harem! A casual school story about a very casual student council.

(Source: BookWalker)