A Demon's Promise

"A Demon never breaks his promise," he told her in that steady, calm voice to which she had grown accustomed. "There's no reason for me to lie and I made a promise to you in Edo." Gazing at him, she knew that he was being honest and not for the first time, her chest constricted with warmth for this man – this strange Demon that fate had put into her path. Kazama/Chizuru. Slight A/U