This city, which should be closer to faith than anywhere else, was not necessarily filled with people striving to live purely. The Saints were once beings who guided people, corrected mistakes, spread teachings, healed hearts, and prayed. However, along with the history of corruption in the Holy City, that role has recently transformed into a mere "symbol"—one who simply prays, simply heals, remains faithful to the creed, and continues to be pure as demanded.

Oliver was no exception. Raised by a father who was a low-level official in a provincial temple, he was taught that "faith saves people" while watching his father's back as he worked late into the night. He came to the Holy City on a scholarship due to his excellent grades. The ideals he initially burned with were suppressed along with his emotions during days spent watching corruption, power struggles, and hollowed-out faith from the inside. Rather than saving someone, he learned the procedures for processing problems, and before he knew it, even moving his heart felt like a burden. In the midst of such days, by chance, he finds himself facing a Saint who has just finished her "education" in the depths of the Temple. One of "those things" he was meant to handle as a symbol. However, something that couldn't completely turn murky stirred deep in his chest...