Yakuza Yashiro, who only ever loved Kageyama, meets a new bodyguard, Doumeki Chikara. Unfortunately, the latter is impotent. The masochistic, lewd and beautiful yakuza Yashiro and his silent, clumsy, impotent subordinate, Doumeki. This is the story of a man who has never known happiness and of a man who is reborn by getting to know him. (Source: MU) Included one-shots: Volume 1: Don't Stay Gold, Tadayoedo Shizumazu, Saredo Naki mo sezu.

Saezuru Tori wa Habatakanai won the Sugoi Japan Award 2016, making it the first Boys' Love manga to receive the award. The series has been published in English by Digital Manga Publishing as Twittering Birds Never Fly under the Juné imprint since September 24, 2014. It has also been published in French by Taifu Comics since August 22, 2013; in Polish by Kotori since October 18, 2014; and in Spanish by Tomodomo Ediciones since November 7, 2016.