The anime is based on a short story Yoneda wrote about Kageyama and Kuga’s first meeting. The OVA is included in the special edition of the seventh volume of the manga.

Alt. title: Saezuru Tori wa Habatakanai OVA, Twittering Birds Never Fly OVA
囀る鳥は羽ばたかない Don’t stay gold

Country: Japan

Subtitle: English

Episodes: 1

Aired: Mar 1, 2021

Duration: 23 min.