She made her acting debut in the web drama portion of 96°C Café with a small role, and became a guest host on Style: Check-in 3.

With her Japanese language skills, she was soon given the opportunity to participate in the gameshow Find The Wasabi, a special collaboration with Japan TBS Station.

[1] In 2014, Sun made her film debut in Miss J Contemplates Her Choice, starring as the younger version of Kit Chan's role.

[2][3] She also filmed 118 & made an cameo appearance in a toggle original series, Mystic Whisper that landed her nomination for Best Newcomer in Star Awards 2015.

[4] In 2016, she involved in a long running drama series, Peace & Prosperity where she lands her nomination for Top 10 Most Popular Female Artistes in Star Awards 2017.