In the aftermath of the war, the world\'s hierarchy had been shaken up and enforced with an iron fist. Once a high-ranking officer among the beastkin, Qing Ti ends up at very bottom—reduced to a mere plaything—and falls into the hands of her nemesis, Chen Xilan. Just when people thought Qing Ti would be tormented to the point of wishing for her own death, the game of taming and being tamed had only started to begin.
Shirosaki Haru, nine years old, is a 4th year elementary school student with no hopes or dreams for the future. One day, he visits the \"Bird Encyclopedia Store\", a specialty store that has a collection of birds from all over the world. What will an encounter with Kochikawa Enji, the store\'s manager full of hopes and dreams, bring about…!?