Kumo from the mountain dog tribe was picked up by Kin from the cat tribe and lives near a wolf tribe doctor of the omegas, Ise. Whether it be Kumo having the characteristics of a dog, he tends to make playful nibbles and licks towards Kin. However, the fact that Ise was pleased with their excellent compatibility makes Kin's heart ache...
(Source: Frontier Works, translated)
Included one-shots: Akai Stick, Netsu Kuberu Otoko-tachi
Note: One-shots 1 and 2 were collected in Party People and Minzoku: Tsugai no Unmei to Okite, respectively.