It has been serialized online via Hero's Inc.'s Comiplex website since November 2019 and has been collected in seven tankōbon volumes.
A short-form anime television series adaptation by Gaina aired from July to September 2022.
Hanabi-chan Is Often Late is written by Ranpu Shirogane and illustrated by Mamimu.
It began serialization on Hero's Inc.'s Comiplex online manga website on November 21, 2019.
[1] It was later revealed to be a 5 minute episode television series produced by Gaina and written and directed by Hiromitsu Kanazawa, with character designs handled by Asami Sodeyama, and music composed by Tsukasa Yatoki.