C172 The most obvious killer (1)

We walked on as we talked, and soon we were below the girls' dormitory in the medical school.

However, everything remained calm and peaceful.

Liu Jin went to the bottom of the dormitory building, lit up a cigarette, and handed one to me.

I waved my hand. "I don't smoke."

"You actually don't smoke?" Liu Jin said.

"I don't smoke and I don't like to drink. Keep my head clear." I looked around