Islands are interesting and these land forms are surrounded by water on all sides. A group of islands are called archipelago. The islands are places of rich biodiversity. They are home to many types of ecosystem that provides food, fresh water, fibre, medicines and many other things. They even prevent natural disasters. Islands are very important and plays a vital role in the environment. The school Mahoutokoro is a Japanese school of magic on the highest point of the volcanic island of Minami Iwo Jima, or Minami Iwoto.