Licht, who retains memories of a past life in which he was murdered by his childhood friend, is reborn as the third son of the prestigious Lindoll Marquis family in the powerful Arkazar Empire. Determined never to suffer a powerless end again, he vows to seek all forms of strength—refusing to bow to anyone. Targeted even within his own family due to a bitter succession conflict, Licht enrolls in a magic academy alongside his twin sister, Airi. Amidst conspiracies and hidden agendas, the most dangerous pair of twins wield forbidden power and move in secret. A dark and twisted reincarnation fantasy unfolds—where ambition, bloodlines, and betrayal collide.