C547 Fifteen Years Later

Fifteen years later.

The airport was crowded with people.

A cute girl quickly entered and exited the crowd. When she finally entered the quiet washroom, she turned on her phone that had been vibrating for a long time and picked up the phone.

"Hello, big brother." The girl's voice was soft and sweet, and there was a hint of coquettishness in it. "I just finished my class