There is an illness spreading through the world called the ‘hero disease’ where using magic will result in early death. People skilled in combat fought with monsters aware of their shortening lifespan. They fought to eliminate as many monsters as possible to protect their families and friends. In this tragic world appeared a young man, Alex, who was blessed with a legendary healing ability. His body fluids can cure any ailment without physical trauma. He set out to save the girls suffering from the ‘hero disease’.