Mu Yan threw the pen on the table, leaned back, and the chair creaked.
"No, no, no, my head is going to explode."
He rubbed his eyes and stared at the science simulation volume open on the table. The dense formulas were crawling on the paper like ants. The cicadas chirped outside the window one after another, making people distracted. Yungang City in June is as hot as a steamer. There is no air conditioning in the rental house. There is only an old-fashioned floor fan whirring there, and the air blown out is hot.
Mu Yan picked up her phone and looked at the time - 11:47 pm.