Megumi & Tsugumi manga volume 3 features story and art by Mitsuru Si.

After meeting during a fight, alpha Megumi and omega Tsugumi wound up friends with benefits, but now the two are a true couple! Megumi is overjoyed that Tsugumi accepts being with him even when he’s not in heat, but Tsugumi is still Tsugumi - oblivious in matters of the heart. Wanting to be serious about their relationship, Megumi consults his father again but is only left to ruminate. To make matters worse, someone new is vying for Tsugumi’s attention!