The Hawk God and The Pitiful Sacrifice

Takagami-sama to Aware na Ikenie
鷹神様と憐れな生贄

Sequel

The Hawk God and The Pitiful Sacrifice: Evening Moon
Takagami-sama to Aware na Ikenie: Yoizuki· 鷹神様と憐れな生贄 宵月
manga

Tsubame, now deeply in love with Murakumo, the god of the land, has transitioned from being a sacrifice to becoming his mate. Blessed with two children, their days are filled with sweetness and happiness. However, trouble arises when Murakumo's old friend, Itenagi, begins to plot against Tsubame, asserting that he would be a more suitable mate for Murakumo since he is also a god. To undermine Tsubame, who struggles to assert himself for fear of hurting Murakumo, Itenagi reveals the secret hidden in the bruise on Tsubame's neck... (Source: Kaiohsha, translated) *Note: Chapter count includes 2 extras.*

Parody

Owl King & Troubled Retinue
Fukurou no Ou to Nayameru Juusha· 梟の王と悩める従者
manga

"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...!?