How the hell am I supposed to tell you how I feel in a hundred words or less? One shot.

Len, a Medium, is sent to kill a Succubus, but what he doesn't know is that this certain succubus gave him back everything, his life, the warmness in his heart that was gone a long time, and he had came to love her back, but the only thing that is in their way is the Succubus -Miku's nature, they suck the energy of their love ones, how can this relationship work out? One-Shot.