"Tha, he's gone, that means his task is done!" Mickey reminded. "He has filled your childhood with happiness when you were away from your parents. Even though he had traumatized you for a long time, he is also healing it now." That cat's words made me realize that now it was the time for me to just let him go.
"Everything was unexpected. Azalea, who suddenly chased after him and you, who worked together with that woman to take care of him, and when you made a pact with the Manjis. Zie's duty was actually just to accompany you but we can't guess until things turn out like this." Mickey explained.