C150

"Dong, dong, dong ~ ~ ~"

In the evening, someone knocked on Yi Yang's door.

"Come in, the door isn't closed." Yi Yang put down the pharmacy book he borrowed from the library and said to the door.

Cui Zhuqing, who was wearing a thin grey cotton jacket, pushed the door open with her long legs and stepped into the room.

Cui Zhuqing's personality was cold