Sadamasa Motonaga's *Work* showcases his vibrant, playful approach to abstraction through bold, flowing forms rendered in oil and acrylic on canvas. Characteristic of his association with the Gutai Art Association, the piece celebrates spontaneity and movement, with dynamic shapes that seem to dance across the surface. The rich interplay of color and fluid organic lines reflects Motonaga's lifelong exploration of the joyful, expressive potential of paint.