Adashino 化野
Adashino is the doctor of a seaside village whom Ginko occasionally visits to sell Mushi-related items to. His hobby is collecting such items and keeps them in a shed behind his home.
Adashino is a tall, fair-skinned individual with short, somewhat spiky, black hair and dark eyes. He is always seen wearing a dark yukata and a monocle.
(Source: Mushishi Wiki, edited)