whistle

"That's my baby! Come on, you can do this!" Yeonjun was the loudest in class as you were chosen to return the procedure demonstration in science lab. Yeonjun have always been the loudest in class, and you are the unintentionally number two.

Some of your classmates chuckled at Yeonjun's supportive manner, and some of them were focusing on how you're about to perform.