In a far-off time, the central theme of this manga is "Kaiserhald." The metropolis is a figment of one's imagination. The city is governed by the omnipotent "Sol," which can perform wonders. Nonetheless, this incredible force is restricted within the religious institution's and city authority's confines. The "Sol Triggers" oppose the oppressive sway of the "Church" in the power struggle. They are resolute in their goal of liberating the oppressed people by overturning the tyrannical regime.