Super Sentai Series Choujuu Sentai Liveman

This series takes place on Academia Island, which is both a location and a school for scientists. One day, Academia's three finest students, Tsukigata, Senda, and Omura felt their talents were being wasted at Academia and left. They accepted a position in the evil organization Volt. On the night of their departure, a confrontation ended in the death of two of their former classmates. With the help of professor Hoshi, these classmates had been developing super-powered suits for space explorations. Fearing a Volt-led assault after the destruction of an Academia space shuttle, the Livemen are born.