How Can You Know the Joy of Fish If You Are Not a Fish?

Continuously She was looking for the mystery for her grandfather~ She wanted to fulfill his wish~ She traveled thousands of miles just to fulfill his wish~~ His encounter with her started from outside Ziyu is a low-key but reserved girl~~No one knows what her happiness is~How can a fish know the joy of a fish if it is not a fish~The little fish in the story is Ziyu~~ Her happiness and joy ~ as light as a shuttle but endless