In this world, an "Ekaki-shi" is someone who brings their paintings to life using their own blood as ink. At a special academy that trains these artists, a young boy named Kiki desperately hones his craft, determined to rescue his sister Kaya, who has been sealed away due to her overwhelming power.   One day, the seal binding Kaya begins to weaken, setting off a chain of events that will change everything. Thus begins an extraordinary supernatural fantasy, where ink and blood intertwine to reshape reality.