Getting Hurt
Shortly after coming to the Shy Wolf Sanctuary, Yuki was exploring the open space around him and unexpectedly cut his leg on a palmetto. There was a large cut on his rear right leg by the knee. This wound was deep enough that it took five operations to heal.
Becoming Aggressive
During that time, Yuki became more aggressive. It made sense because he was finally experiencing pain for the first time. That changed his character slightly, and he wondered if he could trust humans. What happened next?!