My Boyfriend is a Dog manga volume 1 features story and art by kadiro.

Kentarou is a gruff and stoic dogman who can't help but wag his tail whenever he sees his boyfriend, Inukai. Despite his stern exterior, he's an affectionate and doting boyfriend. So together with Inukai, their coworker Nekomiya and his feline boyfriend Shimada, the days are filled with sappy partners and heaps of affection!