Gu Juji shares a video to celebrate his 50th birthday and his son Kuson sings a birthday song with a soft and cute voice.

On Aug. 18, the 50th birthday of Gu Juji, he shared a video on Weibo, lamenting that it was his third birthday as a father. In the video, his son Kuson sings a birthday song for him. His voice is soft and cute. Gu Juji said excitedly: "this is the first time I have heard him sing a birthday song for me, and it is also the best birthday song I have ever heard in my life!"