A Demon's Eternal Vow (Guren x Reader)
Seven years ago you were the first human to try for a cursed gear. Unfortunately, you were possessed by the demon Yashirohira. For years you fought to gain control of your body and eventually defeated the demon. Now you possess his powers as a half-demon, half-human. In exchange for helping to save Lieutenant Colonel Guren Ichinose, Yuu and the others have given you a spot on their team. Will you be able to unite and rebuild this corrupt world, while falling hopelessly in love with your commander?
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