[1] Xu revealed that the two songs "Understand Dream"[2] and "I Remember Your Eyes" were first composed by him when he was 17 years old and "Dust" was given to him by a friend.

The two soundtracks, "Walk Slowly" and "Because of the Sea" of a web series Addicted he starred on was also included in his album.

[4] He performed "Walk Slowly" and "Because of the Sea" live for the first time on Addicted fan meeting held in Beijing, "Dust" on 16th Top Chinese Music Awards and "Light" on 2nd Addicted fan meeting held in Bangkok.

[citation needed] In February 2017, iFASHION published a short clip music video of "Light" for Xu's photoshoot.

[9] Xu conducted his "First Light Asia Tour"[10][11] around June to August at Seoul, Bangkok and 3 other cities in China and participated in music festivals afterwards.