However, there is neither a television nor games in a Grandmother's house.
Yuta was bored.

"Yuta"Grandmother said.
"Go outside to play."
"There are a lot of interesting things outdoors. Do go out and have a nice day."

Yuta was compelled to leave the house.
He sees a river slightly in the distance.
He decides to try to go there.

A field is very quiet. He can hear the grass shake.
He has the feeling that the scenery has indeed changed a little.
He walks to the river, thinking it's his imagination.
A sudden gust of wind is howling in front of Yuta.
He has a feeling that scenery of circumference has changed just a little.

Yuta walk to the river while thinking that Yuta has imagination.