Shiki modular sofa with a wood base upholstered in matching fabric or leather. The structure includes elastic tape suspension for comfort. The seat and backrest cushions feature differentiated density polyurethane and heat-bonded polyester fiber filling, with backrest cushions made of 100% virgin goose feathers. Includes polyurethane and heat-bonded polyester fiber roll cushions, an inner removable nylon fabric lining, and a quilted removable outer seat cushion in Tocco 32003 fabric.