When the quiz was finished, it was pitch-dark around.

"It's about time to return home."
Kappa said a little sadly.

Yuta, way on his way to his grandma's house;
Kappa, on his way to the river.
They walked their home, as usual.
They kicked a pebble, as usual.

They remembered the happy things that happened since they met.

"We are friends. Aren't we?"
Kappa said.
"Of course. We will be friends forever... yes, forever."
Yuta replied.

Finally, they reached the front of grandma's house.