Standarin

"Also, it should be noted that the Standarin reading of 瑞 is irregular. The character had an affricate initial *dʑ, which reflects regularly in say Cantonese with s- but it should be reflected as /ʂ-/ < sh- > in Standarin"

Set in late 20th century Shanghai and based on a novel of the same name, the series was released in a Shanghainese language version in addition to a Standarin dub, standing out from the bulk of current Chinese media in exclusively Standard Mandarin.