Song Ning was not left-handed.
When she was little, her mother had made her train alongside new recruits, solely to build up her strength.
But her grandfather, Old Man Lei, had taken her training seriously, hoping she would grow up to follow her mother into the military and serve her country.
Old Man Lei had said that women were naturally at a physical disadvantage compared with men, but there were ways to narrow that gap.
Training the left hand, for instance.
Most people favored their right hand, which was stronger and more skillful than their left.
If she deliberately trained her left hand to balance the strength or dexterity of both hands, it would give her a considerable advantage in actual combat.
So, from a very young age, Song Ning had consciously used her left hand more often in everyday life.
She was not left-handed, then, but she could skillfully play badminton, table tennis, and similar sports with her left hand. She could even switch hands when her right hand grew tired from doing homework.
So, when she folded the map... her left hand led.
The map in the kraft paper envelope was still folded along its original creases.
But the side facing out after it had been folded was different.
Someone had opened this map, then instinctively used their right hand to fold it back up.
Song Ning stared at the map in silence for a long time.
Some things she had previously overlooked now surfaced in her mind.
"What? Keeping secrets?"
"I'm studying the map of Hua Country! I only just realized how big our country is. There are so many places I've never been!"
"I remember you had a map of Hua Country. Could you lend it to me?"
Looking at the places she had