From a pitiful sacrifice, Tsubame shares his feelings with the local god, Murakumo, and becomes his mate. Blessed with two children, they spend their days in peaceful bliss. However, a god named Itenagi wants Murakumo for himself and plots to drive Tsubame away. Unable to resist, Itenagi corners Tsubame and reveals the true meaning behind the mysterious mark on Tsubame's neck to Murakumo...