Nil Tamura – Main Character – Nil comes from the Esper Clan. At the end of the Imperial war, the Esper Clan was use as an escape goat in order for the Imperial to stay in power. This was the reason that the Esper Clan was on the verged of extinction. Nil will soon discover the truth about the world he lives in from the Creator of the Babalonian Gate.

Teiya Olswin – Teiya live with her foster father and he later marry another women with three children. Teiya is very intuitive around Nil. Before she knew about him, Teiya use to like Ryen. Now, she has a crush on Nil. Her Skills is more focus on Evolution Skill. There was a saying that as the users uses Evolution Skills, they feels a little more mature.