"goodbye."

Crow waved.

This is also influenced by the boy.

The boy would say goodbye to it every time he left.

Say this is the way humans say goodbye.

It also learned by copying it.

...

The first time I heard it say goodbye, the boy was obviously stunned.

Then a big, particularly joyful smile appeared on the boy's face.

It was his turn to be a little stunned.

Isn’t it just a goodbye?

Why is the boy so happy?

...

But it did not stop the boy from asking.
Chapter completed!