The series has been serialized in Kodansha's seinen manga magazine Monthly Afternoon since June 2017 and has been collected in sixteen tankōbon volumes as of November 2024.

Yatora Yaguchi is a fairly popular student who excels in school, but secretly grapples with feelings of emptiness and frustration.

After a night out with his friends, Yatora sees the morning scene of Shibuya in a shade a blue that awfully touches him.

[44][45] Seven Arcs is animating the series, with Koji Masunari serving as chief director, and Katsuya Asano serving as director, with scripts by Reiko Yoshida, character designs by Tomoyuki Shitaya, and music by Ippei Inoue.

[46][7] While the series had an advanced streaming debut on Netflix on September 25, 2021,[47][48] it aired on television from October 2 to December 18 of the same year on the Super Animeism block on MBS, TBS and other channels.

The film is directed by Kentarō Hagiwara, with scripts written by Reiko Yoshida, and music composed by Yūki "Yaffle" Kojima.

[52] Blue Period was one of the Jury Recommended Works at the 22nd and 24th Japan Media Arts Festival in 2019 and 2021, respectively.

She praised its coming-of-age narrative and characters (specifically the adults), while criticizing it for being too informative at times.