The Moving Brush in "Rough" Painting (Unpitsu soga)

Held in the Metropolitan Museum of Art and dated 1749, The Moving Brush in "Rough" Painting (Unpitsu soga 運筆麁画) is a three-volume woodblock-printed book that appeared the year after Morikuni's death and codified the rapid, abbreviated brush manner he had developed across his late career. The title's key term — soga, literally "rough painting" — names a deliberately sketch-like, gestural mode that contrasted with the careful, finished brushwork of orthodox Kanō academic practice and that Morikuni had increasingly explored in his mature production. The book functioned as a teaching manual for the soga mode: line-block illustrations across the three volumes demonstrate how figures, landscapes, animals, and decorative motifs could be rendered with economical, kinetic brushwork that prioritized energy and immediacy over polish. The Met's set, printed in ink on paper and bound in Japanese style, preserves the early-edition impressions of an essential late Morikuni publication. As a posthumous issue, the book also signals the strength of his name in the Kamigata publishing market: a three-volume manual could be commercially viable on the strength of his reputation alone, well after he could no longer supervise its production. The Unpitsu soga subsequently became one of the most influential of his books, helping define the soga aesthetic for eighteenth- and nineteenth-century painters working across both the Kanō and [ukiyo-e](/glossary/ukiyo-e) lineages.