twin star exorcists( THE FUTURE)

Listen up! This fanfiction progresses like the anime(after episode 50). I DO NOT DO LEMONS, LIMES, OR WHATSOEVER. This is my first fanfiction. Please comment.

Elementals

Long ago, there was one big crystal. That crystal represented the main four elements; fire, water, air, and earth. It also represented the rest of the elementals. Those are called back up. Years later, Sena's ancestors broke the crystal into different parts, and made them necklaces. Some time later, the main four el...