She closes up in his laboratory every break. There are rumors that she grows some weed. But sometimes she can be found in the cafeteria alone eating a bun with tea. She tells the topics in a calm voice, so many people think that she hates her job. The very teacher who really prepares students for exams. At her lessons, everyone sits in silence because they are afraid to make her angry. She never taken a class manual and she not going to take it.

Ruan Mei were eating in cafeteria at long break of school after students ate because she liked more silent atmosphere without voices and clinks of glass with tools.