Badly searching for this yaoi

So the ML is a massage therapist or something of a masseur. He meets MC/uke, and they get together I think or just friends w benefits. While MC is away on a trip, ML takes in another client and has sex with him I think, he feels slightly guilty because MC doesn’t know(?). He is also afraid that MC hired another massage therapist, so he goes over to where MC is and knocks on the hotel door. He sees the other masseur there but he and MC didn’t do anything, just normal massage unlike what ML did with the other client.