C52 Cs Fighting Field

"Cough, cough, cough!" Instructor Yang coughed awkwardly and scratched his head apologetically.

"Student Yuh Ye, it is our military training base who is responsible this time! We are deeply sorry for causing you to be traumatized. Regarding this, the school is preparing to organize a CS activity."

Yuh Ye's eyes were wide open, full of hope. "CS?" he asked