In a world where nobles take pride in their jet-black hair, the red-haired Princess Nakaba of Senan is locked away in a tower until she is forced to marry Caesar, the arrogant second prince of Belquat. Practically a political hostage, Nakaba only has one attendant by her side: Loki, whose dog-like ears mark him as an ajin—a race of beings with animalistic traits who are looked down upon by the general populace. Nakaba—the possession of her conceited husband, the discarded princess of a kingdom that saw her as their shame—expects to endure her pain and continue living life no matter what. However, a splash of crimson blood dyes her world in a red hue, awakening her power—the Arcana of Time. This ability allows her to see the past—her own, which she has locked away, and that of others—and t