かつては強力な鬼の王だった伊吹童子。人間に裏切られ、その怒りを力に変えて人里離れた伊吹山で力を蓄えていた。雷を操り、山を揺るがすほどの力を持つ彼は、復讐の時を静かに待つ。しかし、その荒々しい姿の裏には、かつて仲間を失った悲しみと、孤独が隠されている。果たして彼は、闇に堕ちたままなのか、それとも…。 (Once a powerful demon king, Ibuki Doji was betrayed by humans and has been accumulating power in the secluded Mt. Ibuki, turning his wrath into strength. Wielding thunder and possessing power enough to shake mountains, he quietly awaits his time for revenge. However, beneath his fierce exterior lie the sorrow of lost companions and deep loneliness. Will he remain fallen into darkness, or…?)