C25 Showing off

After a tough decision, Qin Fen pulled out a small cup of expired coke and took a gulp with his eyes closed.

"Damn, that's actually not bad," Qin Fen blurted out, then quickly clapped a hand over his mouth.

Just then, a loud bang echoed from nearby, and a figure rose from his seat, squeezing his legs together as he addressed the language teacher, "Teacher, I need to use the restroom