Candidate No. 2 (4)

As I killed time checking the Gallery's heated reactions here and there, afternoon had already come.

...

Hmm...

The siblings Jiwoo and Sua, who had come back from the passenger compartment in Car No. 2 and were absentmindedly looking out the cockpit window, turned their heads in unison as if on cue and stared straight at me.

Ah.

They didn't say it aloud, but their pleading eyes made it obvious what they wanted to say.

They wanted to go outside.

More precisely, it seemed they wanted to go see their mother.

If we went straight ahead in the direction they were looking, their home would be there.

Sure. Let's go out. We should go see your mother after such a long time...