Volume four of the Japanese anime series. Mushi are neither plants nor animals: instead, they resemble the primeval substances of life. Few humans are actually aware of their existence and among them is Ginko, a 'Mushi-Shi' who travels around investigating them. In the course of his research he aids those plagued by supernatural phenomenon caused by the Mushi. Episodes comprise: 'Pretence of Spring', 'Sunrise Serpent', 'Pickers of Empty Cocoons' and 'Clothes That Embrace the Mountain'.