C268 Waiting for a Long Time

"It's done."

Lee Zongjiu took the concocted acetic acid and returned to the long queue. He was here to hand in his homework.

"It's so inefficient. Most of the time, I waste my time waiting in line."

Lee Zongjiu couldn't help but complain when he saw the situation.

After waiting in line for a long time, Lee Zongjiu finally arrived in front of the old man.

"I've completed my task