[2] The drama was considered a success with the viewership ratings doubled from the start to finish and the possibility of sequel mentioned by production team.

[28] The series was originally scheduled to premiere on April 27, 2020, but it was pushed back to July due to the COVID-19 pandemic.

[29] After the series ended, executive producer Jo Jun-hyung revealed the possibility of a sequel in the interview with media.

[3] On February 28, 2022, it was confirmed that actor Son Hyun-joo had tested positive for COVID-19, causing filming for season 2 to be suspended.

[30] On March 7, 2022, it was reported that actor Son Hyeon-joo was released from COVID-19 quarantine on the 5th and resumed filming for season 2.