Reina Kamisu, a strikingly beautiful figure, stands as a beacon for the isolated and a threat to families. Her enigmatic persona intrigues Fumi Saito, a solitary student who finds solace solely in Reina's companionship. Accused unjustly, Fumi embarks on a quest to unravel Reina's enigmatic nature, delving into a world fraught with illusions, desolation, and a captivating yet perilous allure.