It has been serialized in Shueisha's Weekly Young Jump since November 2019, with its chapters collected in 10 tankōbon volumes as of October 2024.

According to Mayuzuki, she had the idea of launching a series about Kowloon Walled City while her previous work After the Rain was still being serialized.

[6] Written and illustrated by Jun Mayuzuki, Kowloon Generic Romance started in Shueisha's Weekly Young Jump on November 7, 2019.

[10] In January 2022, Yen Press announced that it had licensed the manga for English release in North America.

[4][31] In October 2024, it was announced that the series will receive a live action film adaptation, which is set to open in Japanese theaters in 2025.