Juuou Mujin no Fafnir

Yuu Mononobe is the first and only male student at Midgar, an all-girl academy for individuals known as D's. D's possess extraordinary abilities to generate and manipulate dark matter into powerful weaponry. This unique school caters to D's, who emerged after a series of mysterious and destructive events involving dragons that appeared worldwide about twenty-five years ago. The girls at Midgar aim to utilize their powers against the dragons, with Yuu's participation crucial to their efforts, given his status as the only known male D.