|Home World||The Silver Dimension|
|First Appearance||28th Round, K.O.3an Guo|
It was found out in the 45th Round that Xiao Jin held refuge in a junkyard sometime after Xiao Qiao left Zhou Yu. Sometime later, Zhou Yu found him and to get him home, but the puppy resisted strongly and hid in the junkyard for days until he got kidnapped by an old senior of Jiang Dong to use him as a leverage for Zhou Yu. However, his mischievous means were stopped by Zhou Yu's assistant, Lu Meng. After Xiao Jin was saved, he returned to Zhou Yu's home.
Two Years LaterEditTwo years after the incident, Xiao Jin grew into a fine, healthy dog and met Xiao Qiao once more.
After Xiao Qiao and Zhou Yu got back together, he found two females and had a son named "Xiao Xiao Jin".