Iwamoto guarded the 18th Magical Prison alongside his colleague Maeda and fiancée Furuya, their lives entwined by duty and love. When the malevolent spirit Sophie orchestrated her escape, she stole Furuya’s visage to ambush Iwamoto, ending his life with cruel deception. His demise cast a shadow over their unfulfilled marriage plans, framing the supernatural clash not just as a battle of magic, but as a deeply personal tragedy that severed bonds and futures in its wake.