Egret

An egret (sagi) depicted in a kacho-e format provides Sozan with the challenge of rendering a predominantly white bird against a background that must supply all the visible color. The egret's brilliant white plumage, achieved through the natural whiteness of the washi paper rather than any applied white pigment, would emerge from a carefully graded bokashi wash — likely pale blue or grey — representing sky, water, or marsh atmosphere. The bird's characteristic S-curved neck, dagger-shaped beak, and delicate breeding plumes (aigrettes) offer ample opportunity for fine brushwork translated into the key block. Egrets are traditional kacho-e subjects associated with water landscapes, and Sozan's composition likely includes reeds, lotus, or reflective water as supporting elements. The subject connects to a long Kano and ukiyo-e lineage of sagi imagery.