Toxin

Born to a human father and an Imae mother, the boy known only as "Imae" grows up enduring constant persecution, never receiving a true name. His life is shattered when the infamous Black Martial Emperor—the ruthless ruler of the Baedal Kingdom—lays waste to the Imae village. After witnessing his beloved mother die at the emperor’s hands, he vows to exact revenge. Disguising himself as a painter, he seeks out the emperor under the pretense of creating his portrait, waiting for the moment to strike.