Both the original Japanese version and the Hong Kong adaptation are noted to be the first mainstream television dramas to feature gay romance as the central storyline in their respective regions.

Deeply unsettled by their romantic pursuits, he follows advice from his childhood friend Tze-chin (Asha Cuthbert), admitting to KK that his only feelings toward him is that of respect and admiration for a mentor.

[4] On 8 February 2021, ViuTV confirmed the adaptation through a press conference, officially announcing the casting of Kenny Wong and Mirror members Edan Lui and Anson Lo.

The opening theme "Sudden Feeling of a Heartbeat" (突如其來的心跳感覺) is performed by main leads Edan Lui and Anson Lo, written by Raymond Wan with lyrics by T-rexx.

[10] According to associate professor Denise Tang of Lingnan University, the show "has provided space for people to start being curious," and is slowly changing public reception of sexual minority groups, which are often marginalised by local Hong Kong media.

Pro-Beijing Hong Kong legislator Junius Ho accused the series of violating the Chinese government's desire for a three child policy by promoting childless relationships, and stated that it therefore that would "breach China's national security law.