The Mushroom Clinic in the Forest

Lin Yu, a corporate slave from Blue Star, is 'electrocuted' by a cup of coffee spilled on his keyboard while working overtime, and wakes up to find himself transformed into a gray badger in the Misty Pine Forest. With a round body and short, stubby claws, he's even clumsy at digging holes. He retains his human memories and is deeply rooted in the concept of 'money,' often worrying about rent on Blue Star. Upon arriving in the forest, he makes a fool of himself by trying to trade colorful stones for a rabbit's carrots, only to be mistaken for a scammer. ... — Description from novelcodex.org