Joey Law (羅天宇) and Angel Chiang (蔣家旻) acting as siblings in Love Come Home: Lo and Behold (愛‧回家) sitcom previously. On 4th December 2019, he disclosed Angel will be playing his mother in new drama at an activity and she explained she was acting as his mother when young. Joey felt lucky that they had no relationship scenes as it was an odd feeling.

Source: https://ol.mingpao.com/ldy/showbiz/latest/20191204/1575453461035/%e3%80%90%e6%98%94%e6%97%a5%e5%85%84%e5%a6%b9%e3%80%91%e7%88%86%e8%94%a3%e5%ae%b6%e6%97%bb%e5%8d%87%e5%91%a2%e6%bc%94%e9%98%bf%e5%aa%bd-%e7%be%85%e5%a4%a9%e5%ae%87%e5%97%8c%e6%84%9f%e8%a6%ba%e5%a5%87%e6%80%aa