Kuzumoto-san Chi no Yonkyoudai

A manga about the four brothers of the Kuzumoto family, a group of people with supernatural powers. This year they are selected to be the "Supernatural Management Team", a group tasked with preventing any abuses of supernatural power that would cause disturbance to the ordinary people of the town or allow the discovery of people with supernatural powers. The story focuses upon 14 year old Sora and how he and his three brothers work to protect the peace in their town.
(Source: MangaHelpers)