I'm a Wolf, but My Boss is a Sheep! manga volume 2 features story and art by Shino Shimizu.

Wolfman Oogami is an ordinary salaryman–he drinks beer and eats barbeque with his coworkers and has ridiculous, off-topic conversations in the halls and storerooms. Not to mention, in typical wolfman behavior, he’s feeling ridiculously territorial over his office crush, Mashiro. Unfortunately for Oogami, an unexpected adversary appears when Mika, an old (fellow sheep) coworker, rejoins the team. With this interloper interfering in Oogami’s budding relationship, does puppy love stand a chance?