Neibu is an intelligent robot product endorsed by Kun. Anyone who buys products inside will receive a signed photo of Zhang Kun, that is, a small card.

Kun was born in 1998, 20 16, 10, and he officially made his debut through 10 men's team SWIN. April 6, 20 18, finally ranked first in the final of Idol Trainee, and officially debuted as a member of Nine Percent. He was once the most popular male singer in the Asian New Songs List 20 18. His representative works include Spring of that year, Bigger, Dream and so on.