This series takes place fifty years after the worldwide event known as "The Great Blessing," which fundamentally changed the path of human history, and is set in the Japanese metropolis of Neo Tokyo. During this incredible event, people all around the world were struck by a powerful electrical surge known as Infinity Voltage, which granted them the power of Infinity. Though they seem like regular high school students, Haseo and Shinobu are the main characters in this story. The two are actually vigilantes who keep the streets of Neo Tokyo safe at night. As the wicked group Eternity wreaks havoc across Japan, Haseo Oshino and Shinobu Koyomi are forced to take a stand and become True Heroes.