A disease called "hero syndrome" is spreading in the world, where the use of magic leads to an early death. People skilled in the art of combat fought monsters knowing their lives were being shortened. They fought to destroy as many monsters as possible and protect their families and friends.
Into this tragic world came a young man named Alex, endowed with a legendary ability to heal. His body fluids can cure any ailment without physical injury. He set out to rescue girls suffering from "hero syndrome".