"Even though we are childhood friends, we are master and servant - but I want to be your mate."

Where gods live in the underworld, Madara is the king of the bird tribe in the northern country, but lacks an heir or even a mate. His guard, Sasou, who serves him, scolds him as his attendant, but cannot suppress his love for Madara that he has had since childhood. Under the influence of an aphrodisiac, Madara and Sasou end up spending the night together. Then, for some reason, Madara starts to approach Sasou more and more...!?