[19] In 2015, Liu made her acting debut as Lin Yu-chiao in the Line TV series Happy Together [zh], starring alongside Bruce Hung.

[9] The following year, she played Wen Hsiao-kuang in A Good Day [zh] and Lei Xinyu in Behind Your Smile, opposite Marcus Chang.

[25] Stephen McCarty of South China Morning Post called Liu's performance in Triad Princess "stealing the show",[26] while John Serba of Decider praised her flexibility to be "funny and badass at the same time".

[28] In 2021, she made a cameo in Giddens Ko's Till We Meet Again and had a leading role in the Hong Kong supernatural comedy series Sometimes When We Touch [zh].

[29][30] She also released her first solo single "Oblivion" in the same year, which she composed during the COVID-19 pandemic after filming Sometimes When We Touch, crediting it as a song to "farewell her deceased family members".

[39] Josh Slater-Williams of IndieWire described Liu's performance as "magnetic", contributing to the delivery of the character and her complicated relationships, making them "incredibly compelling".