C791 A Coincidence
Hearing Hsu Xiaoxiao's answer, the corner of 173's mouth curled up. He looked at the outside of the carriage with a 'wise' look.
There was a black tunnel in front of them. Other than the endless track, there was nothing else.
However, 173 seemed to have seen a door in front of them. After pausing for a moment, he gave his own guess.
"Fatty