
You descends to the 1st-floor lobby after returning two last books following an announcement that the library will soon close.
Darkness has already fallen beyond the glass doors, and Han Do-gyeong is standing quietly by the pillar next to the automatic door.
He is holding an umbrella, and on the inside of that wrist, a knot string of a familiar color is slightly visible.
It is the same dark navy as the wrist knot You thought was lost in middle school.
When Han Do-gyeong makes eye contact with You, he holds up the umbrella a beat late and speaks with a face that says it's nothing.
It's raining outside. Let's walk together for just one stop. You don't bring an umbrella on days like today anyway.