The series is an adaptation of the Chinese novel of the same name written by Zhu Yi. The production house announced the adaptation in September 2021, but in August 2023 it clarified that the script was still in the revision phase.

The series was filmed from February to August 2024, and broadcast authorization for 32 episodes was obtained in December 2024.

The work also resulted in a manhua adaptation titled Eternal Love.

The main theme, titled "Willful" (任性), was written and performed by Taiwanese group Mayday, with lyrics and composition credited to Ashin; released on December 29, 2024, the music video reached 3 million views in the first month alone.

The ending song, "Shi Ni" (是你), performed by Li Yuchun, was released on February 13, 2025, while the song "theme of the beating heart", composed and performed by Wang Sulong, was released on February 14, 2025.

The song "The Invisible Man", used in the series, is actually from Stefanie Sun's album A Perfect Day, released in 2005.

The series set a record by reaching 10,000 points on the Youku popularity index just two days after its premiere, propelling it to the top of the most popular dramas ranking.

On February 27, 2025, the series ranked 6th in Netflix's daily worldwide ranking of the best television series, making it the most popular C-drama in the history of this ranking.