As an Exorcist, Lune believed he understood the supernatural world, a world separated by a primordial veil. Demons, remnants, Divine Edicts... all of it could be explained by Spirituality.
He was wrong. Spirituality was a mere piece of the truth.
After inheriting the fragmented authority of the perished Divine Seat of Knowledge, Lune begins to discover the Horror beyond the Veil of Astrea that awaits,
Armageddon.