The Sole Master of the Spirit Who Could Break the World

From an ancient summoning circle drawn on a whim by a failed summoner emerged the Primordial Star Spirit who governs the stars themselves. "I offer my life, my very soul, entirely to you, my lord."—she harbors destructive power beyond human comprehension, yet for some reason she devotes her absolute loyalty and sweet, tender protection to あなた alone. A master-servant contract fantasy spun with a guardian beyond all measure.