I'm a Wolf, but My Boss is a Sheep! Vol. 3 by Shino Shimizu

Wolf-man Ogami is a salaryman at a mattress and bedding company whose co-workers are all sheep. Normally, this lone wolf keeps to himself, but his job in this new department is both a blessing and a curse. Ogami has a crush on an adorable sheep-lady supervisor and it appears to be more than just a case of mere puppy-love...
Binding: Paperback / softback