No premiere date or PV announced yet. Check out the ANN article for additional information. Synopsis from AniList:
Yui Mitsuya and Masugu Tateishi aren’t just any coworkers-they totally have the hots for each other. His helpful yet humble attitude makes her giddy, and her cuteness leaves him grinning like a fool. Problem is, they’re trying to keep their new relationship under wraps to avoid making things awkward at work. But seeing how they can’t keep their hands off each other, they run the risk of spilling their little secret with each passing day at the office.
American here. I have worked with couples before just fine; both in an academic setting and in a professional one. The only thing that has been important is that there is some separation so that one isn’t a direct subordinate of another. In the academic setting for instance, when one of the couple was the department chair, performance evaluations for their partner were handled by a different professor (the previous chair in that case).