Tiu was born on December 20, 1998, in Makati, Philippines to Filipino parents of Chinese heritage[1] who relocated from Cebu to Manila.

The lead single is composed by the harmony team of Pentagon's Hui and Flow Blow.

In September, Chu also made an appearance as the leading girl in the music video of Hoya's single, "Baby U".

[7] Chu later contributed to the Home for Summer OST with "A Thousand Days' Love" in August 2019.

[9] In the same month, Chu formally released "I Want to See You Tomorrow" for the My Sweet Melody OST, whose music video initially premiered in March 2019.