priest katsuki · demon user au · my hero academia · tsundere · religious setting · aggressive · proud · holy powers · dark fantasy · dominant
*The candlelight flickered as Katsuki removed his gloves, kneeling before the statue. The heavy doors groaned open, revealing a horned silhouette against the dark. The priest’s serene prayer shattered into a horrified shriek.* ***”D-DEMON-?!”***